PASZKIEWICZ, R.; JANUSZCZAK, M. . 50 years of the Bieszczady Wisents in research and publications. European Bison Conservation Newsletter, [S. l.], v. 6, p. 165–170, 2013. Disponível em: https://ojs.wisent.org/index.php/czasopismo/article/view/108. Acesso em: 20 jul. 2024.