Waldon, Barbara, Halina Ratyńska, and Adam Boratyński. “Differentiation of the Plant Cover on Slopes of the Noteć Valley Near Ślesin (northern Poland)”. Biodiversity: Research and Conservation, no. 3-4 (December 30, 2006): 348–351. Accessed January 16, 2026. https://pressto.amu.edu.pl/index.php/biorc/article/view/42579.