PASZKIEWICZ, R.; JANUSZCZAK, M. Changes in space development regarding refuges and migration corridors of European bison in Bieszczady Mountains. European Bison Conservation Newsletter, [S. l.], v. 4, p. 13–20, 2011. Disponível em: http://ojs.wisent.org/index.php/czasopismo/article/view/126. Acesso em: 5 may. 2024.