Perzanowski, Kajetan, Maciej Janszczak, and Aleksandra Wołoszyn-Gałęza. “Management of Wisent Population Within a Natura 2000 Site”. European Bison Conservation Newsletter 2 (September 1, 2009): 34–39. Accessed March 29, 2024. http://ojs.wisent.org/index.php/czasopismo/article/view/167.