Inga Grinfelde, Anda Bakute, Kristine Steinberga, Jovita Pilecka. THE CHANGES OF LAKE HYDROLOGICAL CYCLE: A CASE STUDY OF LAKE USMA IN LATVIA. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Water Resources. Forest, Marine and Ocean Ecosystems, 2017, pp. 655-662. https://doi.org/10.5593/sgem2017/31/s12.082