Zawisza, Edyta, Anna Filbrandt-Czaja, and Alexander Correa-Metrio. “Subfossil Cladocera and Pollen As Indicators of Natural and Anthropogenic Trophic Changes of Lake Jelonek (Tuchola Forest, N Poland) During the Holocene”. Advances in Oceanography and Limnology 7, no. 2 (December 9, 2016). Accessed April 25, 2024. https://www.pagepressjournals.org/aiol/article/view/6234.