HALICKI, W. . The use of natural food base in the European bison enclosure at Sycowice. European Bison Conservation Newsletter, [S. l.], v. 8, p. 103–110, 2015. Disponível em: http://ojs.wisent.org/index.php/czasopismo/article/view/79. Acesso em: 2 may. 2024.