Glina, Bartłomiej, Katarzyna Kołodziejczyk-Prażmo, Adam Bogacz, Klara Tomaszewska, Zbigniew Kaczmarek, and Piotr Gajewskl. “Application of Shumann and Joosten Classification in Fen Peatland Degradation Stage Assessment – A Case Study from Southern Poland”. Ecological Questions 27 (December 19, 2017): 89–96. Accessed June 30, 2024. https://apcz.umk.pl/EQ/article/view/EQ.2017.030.