Претрага
686 items
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Some models for determination of parameters of the soil oscillation law during blasting operations
... 0046 10 30.1621 0.3320 0.3217 0.3128 0.3199 0.0103 0.0192 0.0121 Energies 2016, 9, 617 10 of 15 Based on the data in Table 2, a statistical analysis was carried out and the following values were obtained: ‚ For model 1: The curved line dependency index ρ1 between the reduced distance R and soil ...
... 0789 0.0790 0.2197 0.0143 0.0142 ´0.1805 12 75.2014 0.0518 0.0561 0.0558 0.1781 ´0.0043 ´0.0040 ´0.1263 Based on the data in Table 5, a statistical analysis was carried out and the following values were obtained: ‚ For model 1 The curved line dependency index ρ1 between the reduced distance R and soil ...
... of Belgrade, Faculty of Mining and Geology. Author Contributions: Suzana Lutovac and Branko Gluščević performed the modelling, optimization and analysis of results. The paper was written by Suzana Lutovac with the support of Rade Tokalić and revised by Čedomir Beljić. Field measurement was performed ...Suzana Lutovac, Dragan Medenica, Branko Gluščević, Rade Tokalić, Čedomir Beljić. "Some models for determination of parameters of the soil oscillation law during blasting operations" in Energies, Basel, Switzerland : MDPI (2018). https://doi.org/10.3390/en9080617
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An Approach to Efficient Processing of Multi-Word Units
Efficient processing of Multi-Word Units in the course of development of morphological MWU dictionaries is not easy to achieve, especially when languages with complex morphological structures are concerned, such as Serbian. Manual development of this type of dictionaries is a tedious and extremely slow process. To alleviate this problem we turned to our multipurpose software tool, dubbed LeXimir, in the production of lemmas for e-dictionaries of multi-word units. In addition to that, we developed a procedure aimed at making ...... ubica ‘serial killer’ second constituent changes gen- der in plural forms AXNr petokraka zvezda ‘five-pointed star’ allows reverse order Based on an analysis illustrated by previous examples, we have developed a new functionality within LeXimir that offers one or more DELAC entries for ev- ery MWU presented ...
... and the plural form in all possible combi- nations, e.g. analiza dokumenta/analiza dokumenata/analize dokumenta/analize dokumenata ‘document(s) analysis/document(s) analyses’. Only the MWUs belonging to the first listed group belong to the super-class N2X and they require inflectional information ...
... construction of a DELAC type dictionary relies on a manually produced set of rules. The rule design strategy resulted from the afore- mentioned expert analysis of available MWU lemmas. The task of the rule based procedure is to automatically generate the complete MWU lemma. However, the strategy and the ...Cvetana Krstev, Ivan Obradović, Ranka Stanković, Duško Vitas. "An Approach to Efficient Processing of Multi-Word Units" in Computational Linguistics - Applications, Studies in Computational Intelligence 458 no. 458, Berlin Heidelberg : Springer-Verlag (2013): 109-129. https://doi.org/10.1007/978-3-642-34399-5_6
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Dehydroicetexanes in sediments and crude oils: Possible markers for Cupressoideae
Hans Peter Nytoft, Geir Kildahl-Andersen, Sofie Lindström, Frode Rise, Achim Bechtel, Danica Mitrović, Nataša Đoković, Dragana Životić, Ksenija A. Stojanović (2019)Two previously unidentified dehydroabietane isomers were isolated from Miocene Serbian lignite and Rhaetian (Late Triassic) coaly mudstones from South Sweden and characterized using NMRspectroscopy as cis- and trans-dehydroicetexane. Both have a 9(10?20)-abeo-abietane or icetexane skeleton, consisting of a 6-7-6 tricyclic framework with seven carbons in ring B instead of the usual six in common diterpanes of the abietane-type. Dehydroicetexanes can be detected using GC-MS-MS in m/z 270?146 chromatograms without interference from dehydroabietane or other isomers. Dehydroicetexanes are often abundant ...Hans Peter Nytoft, Geir Kildahl-Andersen, Sofie Lindström, Frode Rise, Achim Bechtel, Danica Mitrović, Nataša Đoković, Dragana Životić, Ksenija A. Stojanović. "Dehydroicetexanes in sediments and crude oils: Possible markers for Cupressoideae" in Organic Geochemistry, Elsevier BV (2019). https://doi.org/10.1016/j.orggeochem.2019.01.001
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Процена ризика од загађивања водних ресурса под утицајем напуштених рударских радова на простору Србије
Nebojša B. Atanacković (2018-08-31)Велики број напуштених рударских радова и ограничена средства за рекултивацијуи ремедијацију деградираних простора подстакле су развој метода за издвајањеприоритетних локација на које је потребно усмерити даља истраживања. У датомконтексту, у склопу израде дисертације спроведене су научно-истраживачкеактивности које су за предмет имале анализу утицаја значајнијих напуштенихрударских радова на водне ресурсе на простору Србије јужно од Саве и Дунава.Разматрање предметне проблематике извршено је кроз развој и примену семи-квантитативне методологије за анализу ризика од загађивања површинских иподземних вода на регионалној размери. Примењена ...анализа ризика, водни ресурси, водна тела, рудничке воде, рударскиотпад, аналитички хијерархијски процеси, кластер анализа, математичка теоријаатрибута, функције припадности, семи-квантитативне методе... 88. Kaiser H.F. (1960) The Application of electronic computers to factor analysis. Educational and Psychological Measurement 20, Pp. 141-151. 89. Katz B.G., Gopalan T.B., Bullen T.D., Davis J.H. (1998) Use of chemical and isotopic tracers to characterize the interaction between groundwater and ...
... Materials 159: 152–157. doi 10.1016/j.jhazmat.2008.03.055 102. Massart D.L. and Kaufman L. (1983) The Interpretation of Analytical Chemical Data by the Use of Cluster Analysis. New York: Wiley. 103. Mayes W.M., Johnston D., Potter H.A.B., Jarvis A.P. (2009) A national strategy for identification, pr ...
... дијаграм тока процеса, анализа стабла догађаја (енгл. Event Tree Analysis, ETA), анализа стабла неисправности (енгл. Fault Tree Analysis, FTA) и анализа начина настајања и ефеката отказа (енгл. failure mode and effects analysis, FMEA). За све ове методе је заједничко да обједињују одређене одлуке ...Nebojša B. Atanacković. "Процена ризика од загађивања водних ресурса под утицајем напуштених рударских радова на простору Србије" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2018-08-31)
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Еволуција напонског поља подручја Интерних Динарида у Србији током алпске орогенезе
Ana S. Mladenović (2015-06-19)Циљ ове докторске дисертације био је реконструкција еволуције напонског пољаЗемљине коре у подручју Интерних Динарида у Србији током Алпске орогенезе.Истраживања за потребе решавања овог проблема су изведена у два дела. Првидео обухватао је анализу палеонапона на дефинисаном подручју истраживања,док се други део односио на анализу тренутно активног поља напона у овом делуБалканског полуострва. Истраживано подручје обухвата унутрашњи деоДинарског орогеног појаса, који се простире у централној и западној Србији. Собзиром на циљ истраживања, истраживано подручје је дефинисано тако даобухвата три ...Интерни Динариди, анализа палеонапона, фокални механизмиземљотреса, напонско поље, тектоно-магматски догађаји... research procedure comprised of two main parts. The first part of the research was related to the paleostress analysis in the research area, while the second one encompassed the analysis of the active stress field in this part of the Balkan peninsula. The research area represents the innermost part ...
... determine the paleostress tensors was done in two of these zones – the Kopaonik and the Maljen ones. Analysis of recently active stress field was done in all three seismogenic zones. Analysis of the paleostress fields which were active in this area during the Alpine orogenic cycle, consisted ...
... 213 Spang J.H. 1972. Numerical method for dynamic analysis of calcite twin lamellae. Geol. Soc. of America Bull. 183: 467 – 472 Sperner B., Ratschbacher L. 1994. A Turbo Pascal program package for graphical presentation and stress analysis of calcite deformation. Z. Dtsch. Geol. Ges. 145: 414 ...Ana S. Mladenović. "Еволуција напонског поља подручја Интерних Динарида у Србији током алпске орогенезе" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2015-06-19)
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Hibridni sistem za planiranje i analizu ventilacije rudnika
... ventilation network. The results obtained after the desired analysis by SimVent can be exported to VENTEX – a diagnostic expert system that performs the analysis of obtained results according to a number of criteria. The result of such an expert analysis is an estimate of the validity and effectiveness of ...
... Object-Oriented Analysis, Second edition Prentice Hall, Englewood Cliffs, New Jersey, (1991). 12. COOK A., "Methane Safety Research for Continuous Miners in South Africa", Proceedings of the 7th US Mine Ventilation Symposium, SME Littleton, Colorado, pp 55-60., (1995). 13. CROSS H., "Analysis of flow in ...
... LILIĆ N., OBRADOVIĆ I., “Computer-aided analysis of mine ventilation for emergency plans“, 1st Regional APCOM SYMPOSIUM , Zbornik radova str. 583-589, Bled Slovenia, (1994). 53. LILIĆ N., OBRADOVIĆ I., “An Expert System for Mine Ventilation Networks Analysis“, International Scientific Conference on ...Nikola Lilić, Ranka Stanković, Ivan Obradović. Hibridni sistem za planiranje i analizu ventilacije rudnika, Rudarsko-geološki fakultet, Univerzitet u Beogradu, 2000
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Centar za hidrogeologiju karsta - 15 godina nauke i struke
... According to IRCK-CKH cooperation, more than 140 isotopic (ŽH/!H, !#O/!O and !5C/!C) and ionic analysis of the Beljanica karst groundwater were performed in the IRCK laboratories, as well as 28 analysis of the host rock isotopic composition for the purposes of the LJ. Vasić dissertation. Poseta ...
... research, especialy concerning water quality, defining of specific components of karst groundwater, preparation and analysis of water from various types of rocks, sampling and analysis of rocks and soil, as well as sample preparation for certain isotopic analyses. Moreover, the Laboratory is intended ...
... Mangan (Mn), Amonijak (NHa), Nitrite (NO). Uređaji za ispitivanje fizičko-hemijskih parametara vode na terenu Devices for measurements of physico-chemical parameters of water in situ Specijalna istraživanja koja izvodi CHK Poseban segment CHK-a čine specijalna – speleološka istraživanja (jame i ...urednici Saša Milanović, Ljiljana Vasić, Zoran Stevanović, Branislav Petrović. Centar za hidrogeologiju karsta - 15 godina nauke i struke, Beograd : Univerzitet u Beogradu, Rudarsko-geološki fakultet, Centar za hidrogeologiju karsta, 2023
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Critical disorder and critical magnetic field of the nonequilibrium athermal random-field Ising model in thin systems
Svetislav Mijatović, Dragutin Jovković, Sanja Janićević, Đorđe Spasojević. "Critical disorder and critical magnetic field of the nonequilibrium athermal random-field Ising model in thin systems" in Physical Review E, American Physical Society (APS) (2019). https://doi.org/10.1103/PhysRevE.100.032113
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Споменица 1991. – 2015. година: 135 година геологије и 70 година рударства на Универзитету у Београду
... designed experiments. Chemical Engineering Journal, 137 (2), 436–442. KOMLJENOVIĆ M., PETRAŠINOVIĆ-STOJKANOVIĆ LJ., BAŠČAREVIĆ Z., JOVANOVIĆ N., ROSIĆ A., 2009: Fly Ash as the Potential Raw Mixture Component for Portland Cement Clinker Synthesis. Journal of Thermal Analysis and Calorimetry, vol ...
... l Journal of Coal Geology, 111, 5–22. ILIJEVIC K., OBRADOVIC M.H., JEVREMOVIC V., GRZETIC I.A., 2015: Statistical analysis of the influence of major tributaries to the eco-chemical status of the Danube River. Environmental monitoring and assessment, 187, 1–25 Уџбеници, скрипте, практикуми, м ...
... and behaviour diagnostics of drive groups on belt conveyors, Journal of Engineering failure analysis, 2012. 122. Tančić P., Dimitrijević R., Poznanović M., Pačevski A., Sudar S.: Crystal Structure and Chemical Composition of Ludwigite from Vranovac Ore deposit (Boranja Mountain, Serbia), Acta Geologica ...главни и одговорни уредник Душан Поломчић. Споменица 1991. – 2015. година: 135 година геологије и 70 година рударства на Универзитету у Београду, Београд : Универзитет у Београду, Рударско-геолошки факултет, 2016
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Application of ERT in the study of debris-flow source area: Case study Selanac debris flow
Dragana Đurić, Jelka Krušić, Biljana Abolmasov. "Application of ERT in the study of debris-flow source area: Case study Selanac debris flow" in 11th Congress of the Balkan Geophysical Society, Volume 2021, Online-Romania, 10 -14. Oct 2021,, European Association of Geoscientists & Engineers (2021). https://doi.org/10.3997/2214-4609.202149BGS15
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Soil oscillation law parameter determination with the application of Lagrange’s theorem at “Kovilovača“ open pit
... minings for a specific work environment. In this paper, a special attention was paid to the seismic effect of blasting. In accordance with this, an analysis of the method for determining the soil oscillation law parameters, proposed by the Russian professor M.A. Sadovsky, was performed. For determination ...
... 6614 0.1594 0.0987 0.1159 0.0607 0.0435 No. 3, 2015 Mining & Metallurgy Engineering Bor 61 Based on the data in Table 3, a statistical analysis was carried out and the following values were obtained: Model 1: The curveline dependency index ρ1 be- tween the reduced distance R and soil ...
... Rock Mass in blasting, Ph. D. Thesis, Faculty of Mining and Geology, Belgrade, pp. 1- 240. [9] Trajković S., Lutovac S., Tokalić R.; (2008): Analysis of the Soil Oscillation Law in the Example of the Open Pit „Kovilovača“, Podzemni radovi No.16, pp. 47-56, December 2008, RGF Belgrade. [10] ...Suzana Lutovac, Nebojša Vidanović, Čedomir Beljić, Zoran Gligorić. "Soil oscillation law parameter determination with the application of Lagrange’s theorem at “Kovilovača“ open pit" in Mining and Metallurgy Engineering Bor, Bor : Mining and Metallurgy Institute Bor (2015). https://doi.org/10.5937/MMEB1503053L
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Old or New, We Repair, Adjust and Alter (Texts)
Cvetana Krstev, Ranka Stanković (2020)U ovom radu predstavljamo kako se e-rečnici i kaskade transduktora konačnih stanja implementirani u alatu Unitex mogu koristiti za rešavanje tri problema transformacije teksta: ispravljanje tekstova nakon OCR-a, vraćanje dijakritičkih znakova i prebacivanje između različitih jezičkih varijanti.ispravka teksta, OCR greške, restauracija dijakritika , jezičke varijante, elektronski rečnik, transduktori konačnih stanja... ‘а’ can be confused for a Latin ‘a’ (denoting the same letter) or a Cyrillic ‘р’ can be confused for a Latin ‘p’ (denoting different letters). The analysis of frequently occurring OCR errors in Cyrillic texts showed that the following error types predominate: – Some individual letters are mutually confused ...
... from American English to British English”, 2004, uS Patent 6,738,738 Jaćimović, Jelena. “Textometric methods and the TXM platform for cor- pus analysis and visual presentation”. Infotheca – Journal for Digital Hu- manities Vol. 19, no. 1 (2019): 30–54. https://infoteka.bg.ac.rs/ojs/ index.php/Inf ...
... Correcting Spelling Errors”. Commun. ACM Vol. 23, no. 12 (1980): 676–687. http: //doi.acm.org/10.1145/359038.359041 Petković, Ljudmila. “Creation and Analysis of the Yugoslav Rock Song Lyrics Corpus from 1967 to 2003”. Infotheca – Journal for Digital Humanities Vol. 19, no. 1 (2019): 5–29. https://infoteka ...Cvetana Krstev, Ranka Stanković. "Old or New, We Repair, Adjust and Alter (Texts)" in Infotheca, Faculty of Philology, University of Belgrade (2020). https://doi.org/10.18485/infotheca.2019.19.2.3
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Keyword-Based Search on Bilingual Digital Libraries
This paper outlines the main features of Biblisha, a tool that offers various possibilities of enhancing queries submitted to large collections of aligned parallel text residing in bilingual digital library. Biblishsa supports keyword queries as an intuitive way of specifying information needs. The keyword queries initiated, in Serbian or English, can be expanded, both semantically, morphologically and in other language, using different supporting monolingual and bilingual resources. Terminological and lexical resources are of various types, such as wordnets, electronic ...Ranka Stanković, Cvetana Krstev, Duško Vitas, Nikola Vulović, Olivera Kitanović. "Keyword-Based Search on Bilingual Digital Libraries" in Semantic Keyword-Based Search on Structured Data Sources - Second COST Action IC1302 International KEYSTONE Conference, IKC 2016, Springer (2017). https://doi.org/10.1007/978-3-319-53640-8_10
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Towards a Mining Equipment Ontology
... sub-bench , or reading for each bench, etc.), as well as the maximal range of the data, number of decimals, and its rank for presentation in the analysis. Figure 5: Panel for defining constructive and technological equipment parameters Figure 5 depicts a panel used for overview and entry of ...
... a specific period, the realized working hour capacity, as well as the use in terms of time periods and capacity. In the same way, monitoring and analysis of downtime are planned, for various categories, years and working environments. The possibility of analyzing the downtime is also enabled, by selecting ...Ranka Stanković, Ivan Obradović, Olivera Kitanović, Ljiljana Kolonja. "Towards a Mining Equipment Ontology" in Proceedings of the 12th International Conference Research and Development in Mechanical Industry, RaDMI 2012, September 2012, Vrnjačka Banja, Serbia no. 1, Vrnjačka Banja, Serbia : SaTCIP (Scientific and Technical Center for Intellectual Property) Ltd. (2012)
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Geoenvironmental Investigations at a Smelter Location in Bor (Serbia)
Petar Papić, Zvonimir Milijić, Jana Stojković, Jovana Milosavljević, Maja Todorović, Marina Ćuk, Željko Kamberović (2014)Petar Papić, Zvonimir Milijić, Jana Stojković, Jovana Milosavljević, Maja Todorović, Marina Ćuk, Željko Kamberović. "Geoenvironmental Investigations at a Smelter Location in Bor (Serbia)" in Challenges : Sustainable Land Management – Climate Change, Advances in Geoecology 43, Catena Verlag GMBH (2014)
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The Usage of Various Lexical Resources and Tools to Improve the Performance of Web Search Engines
In this paper we present how resources and tools developed within the Human Language Technology Group at the University of Belgrade can be used for tuning queries before submitting them to a web search engine. We argue that the selection of words chosen for a query, which are of paramount importance for the quality of results obtained by the query, can be substantially improved by using various lexical resources, such as morphological dictionaries and wordnets. These dictionaries enable semantic ...LR web services, MultiWord Expressions & Collocations, Information Extraction, Information Retrieval... phrase structure is also based on the frequencies of compound structures that we have obtained from our existing dictionary of compounds. This analysis shows that, not surprisingly, the most frequent structure for compounds with two components is adjective+noun, followed by the compounds with ...
... was correctly detected and their inflected forms produced, e.g. smrznuto voće i povrće ‘frozen fruits and vegetables’. As a by-product, the analysis of the log file detected some compounds that were not yet in the dictionary of compounds and which were subsequently added to it (the most frequent ...Krstev Cvetana, Stanković Ranka, Vitas Duško, Obradović Ivan. "The Usage of Various Lexical Resources and Tools to Improve the Performance of Web Search Engines" in LREC 2008: Conference on Language Resources and Evaluation, Marrakesh, Morocco, May 2008, European Language Resources Association (ELRA) (2008)
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Primena AHP и WoEmetode u proceni podložnosti terena na kliženje za područje opštine Krupanj
Biljana Abolmasov, Jelka Krušić, Katarina Andrejev, Miloš Marjanović, Ranka Stanković, Uroš Đurić (2017)... and hazard zoning at different scales, Engineering Geology 102, pp.164–177, 2008. [4] Corominas J. et al. Recommendations for the qu- antitative analysis of landslide risk, Bull Eng Geol Environ, 73, pp.209–263, 2014. [5] Cruden DM, Varnes DJ. Landslide types and proce- sses. In: Turner AK, Schuster ...
... er landsli- des inventory of the Republic of Serbia. Landslides, in press, DOI:10.1007/s10346-017-0847-2. [8] Fawcett T. An introduction to ROC analysis, Pattern Recognition Letters, Vol 27, pp. 861–874, 2006. [9] Fell R. et al. Guidelines for landslide susceptibility, hazard and risk zoning for ...Biljana Abolmasov, Jelka Krušić, Katarina Andrejev, Miloš Marjanović, Ranka Stanković, Uroš Đurić . "Primena AHP и WoEmetode u proceni podložnosti terena na kliženje za područje opštine Krupanj" in Izgradnja, Beograd : Udruženje inženjera građevinarstva, geotehnike, arhitekture i urbanista Izgradnja (2017): 239-246
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A Fuzzy Expert Model for Availability Evaluation
Each technical system within itself carries the great potential danger of possible occurrence of failure and damages. Mining machines are characteristic by great investment values, costs of unplanned shutdowns, complex working conditions, and environment and workers hazards. Systematic monitoring of the mining machinery is of great importance for the management of the mining companies. Availability is the overall concept of quality of service. Includes information regard to operating state, an idle state, a standby state and shut down. The ...... Fuzzy inference engine Identification Input data set Input fuzzy set Output fuzzy set Linguistic value Fuzzy set proposition Situation analysis Fuzzy composition Probab.theory, Stat.processing Best-fit method Linguistic value Decision model, Asset managment, Optimization, Ranking ...
... into one overall (A). Identification of obtained results, for their easier interpretation, is presented at the end, as well as their comparative analysis. A. Proposition The first step in the making of expert model for A assessment is describing linguistic variables related to A itself and to ...Dejan Ivezić, Miloš Tanasijević, Predrag Jovančić, Radiša Đurić. "A Fuzzy Expert Model for Availability Evaluation" in Proceedings of the 2019 20th International Carpathian Control Conference (ICCC), AGH University of Science and Technology, Kraków - Wieliczka, Poland (2019)
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Advantages and Disadvantages of a Parallel and Zigzag Method of Acquisition in Walking Mode in Magnetometric Archeological Research
магнетометријска испитивања, цик-цак и паралелна аквизиција у ходајућем моду, линеарне аномалије, археологија... north- south direction, with data sampled in the same direction, linear anomalies did not appear, so the data was suitable for further qualitative analysis, after having been clipped to the investigative area and the correct domain of gradient TMI. The mid-fi eld was measured in order to deter- mine ...
... the test polygon on the same side each time, or if he circles around the polygon to the other half of the fi eld from the opposite side. From the analysis of the maps shown in Figures 5.b. and 5.c. it can be concluded that there was no diff erence in the quality of data. The acquisition of the last ...Mirko Petković, Vesna Cvetkov, Branislav Sretenović. "Advantages and Disadvantages of a Parallel and Zigzag Method of Acquisition in Walking Mode in Magnetometric Archeological Research" in Arheologija i prirodne nauke (2014)
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Značaj geografske širine za lociranje uzročnika magnetnih anomalija kod prospekcije arheoloških lokaliteta
Vesna Cvetkov (2020)... Dalan, R. A., Bevan, B. W., Goodman, G., Lynch, D., De Vore, S., Adamek, S., Martin,T., Holley, G., Michlo- vic, M. 2001. The Measurement and Analysis of Depth in Archaeological Geophysics: Tests at the Biesterfeldt Site, USA. Archaeological Prospection 18, 4: 245-265. Desvignes. G., Tabbagh, ...
... fine-grained ’magnetite’ in sediments. Holocene 2: 180-182. Schettino, A., Gnezzi, A., Pieraan- toni. P. P. 2018. Magnetic field mo- delling and analysis of uncertainty in archaeological geophysics. Archaeologi- cal Prospection 26, 2: 137-153. Scollar, I., Tabbagh, A., Hesse, A., Herzog, I., 1990 ...Vesna Cvetkov. "Značaj geografske širine za lociranje uzročnika magnetnih anomalija kod prospekcije arheoloških lokaliteta" in Aktuelna interdisciplinarana istraživanja tehnologije u arheologiji jugoistočne Evrope: Zbornik radova, Prvi skup Sekcije za arheometriju, arheotehnologiju, geoarheologiju i eksperimentalnu arheologiju Srpskog arheološkog društva, Beograd, 28.02.2020. , Beograd : Srpsko arheološko društvo (2020)