SEWERNIAK, Piotr. Wolves in the Toruń Basin. Ecological Questions, [S. l.], v. 13, p. 47–53, 2010. DOI: 10.12775/v10090-010-0015-4. Disponível em: https://apcz.umk.pl/EQ/article/view/v10090-010-0015-4. Acesso em: 4 jul. 2025.