Renata Augustyniak. "MULTIANNUAL CHANGES IN SEDIMENT PHOSPHORUS OF WIELKOPOLSKIE LAKE (WIELKOPOLSKIE LAKE DISTRICT, WESTERN POLAND)." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Water Resources. Forest, Marine and Ocean Ecosystems (2018): 515-522. https://doi.org/10.5593/sgem2018/3.1/s12.067