Sotek, Zofia. “Distribution Patterns, History, and Dynamics of Peatland Vascular Plants in Pomerania (NW Poland)”. Biodiversity: Research and Conservation 18 (July 11, 2011): 1–82. Accessed June 30, 2024. https://pressto.amu.edu.pl/index.php/biorc/article/view/v10119-010-0020-4.