Gergana Georgieva, Dragomir Dragomirov, Valentin Buchakchiev, Vassil Gourev, L. Tsankov. "ACTIVITY OF GLACIER PERUNIKA, LIVINGSTON ISLAND, ANTARCTICA AS A RESULT OF CHANGING TEMPERATURE IN THE REGION." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021, Energy and Clean Technologies, 2021, pp. 51-58. https://doi.org/10.5593/sgem2021v/4.2/s19.09