Reintroduction of European bison to semi-natural meadows in Grażyna Valley within the confines of the Rural Areas Development Program for years 2007–2013. European Bison Conservation Newsletter, [S. l.], v. 2, p. 197–203, 2009. Disponível em: https://ojs.wisent.org/index.php/czasopismo/article/view/191. Acesso em: 17 apr. 2026.