@inproceedings{sgem2021s1938, title = {ASSESSMENT OF THE LONG TERM VARIABILITY OF THE SNOW COVER IN THE VITOSHA MOUNTAIN}, author = {Dimitar B. Nikolov and Cvetan Dimitrov}, booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021, Energy and Clean Technologies}, year = {2021}, pages = {221-228}, publisher = {STEF92 Technology}, doi = {10.5593/sgem2021/4.1/s19.38} }