Sonya Damyanova. COMPERATIVE ASSESSMENT OF THROUGHFALL COMPOSITION IN BEECH ECOSYSTEMS IN WESTERN BULGARIA. SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 23rd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2023, Ecology, Economics, Education and Legislation, Vol. 23, Issue 5.1, 2023, pp. 81-88. https://doi.org/10.5593/sgem2023/5.1/s20.10