LAGERSTRÖM, M.; HÄKKINEN, I. Uneven sex ratio of voles in the food of Aegolius funereus and Strix aluco. Ornis Fennica, [S. l.], v. 55, n. 4, p. 149–153, 1978. Disponível em: https://ornisfennica.journal.fi/article/view/132988. Acesso em: 23 nov. 2024.