KORPIMÄKI, E.; SULKAVA, S. Diet and breeding performance of Ural Owls Strix uralensis under fluctuating food conditions. Ornis Fennica, [S. l.], v. 64, n. 2, p. 57–66, 1987. Disponível em: https://ornisfennica.journal.fi/article/view/133235. Acesso em: 18 touko. 2024.