Demiaszkiewicz, Aleksander W., Anna M. Pyziel, Jacek Lachowicz, and Izabela Kuligowska. “Dictyocaulosis of European Bison in Białowieża Forest”. European Bison Conservation Newsletter 2 (September 1, 2009): 112–118. Accessed April 24, 2024. http://ojs.wisent.org/index.php/czasopismo/article/view/178.