Anda Bakute, Inga Grīnfelde, Jovita Pilecka-Uļčugačeva, Sindija Liepa, Kristaps Siltumens. "THE LAND USE AND CLIMATE CHANGE IMPACT ON LAKE USMA HYDROLOGICAL REGIME." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021, Water Resources. Forest, Marine and Ocean Ecosystems (2021): 159-166. https://doi.org/10.5593/sgem2021v/3.2/s12.24