Abolmasov Biljana, Milenković Svetozar, Jelisavac Branko, Vujanic Vladeta. "Landslide Umka: The First Automated Monitoring Project in Serbia." in Landslide Science and Practice, Volume 2: Early Warning, Instrumentation and Monitoring 2, :Springer Verlag Berlin Heidlelberg (2013): 339-346. https://doi.org/10.1007/978-3-642-31445-2_44