KOUKI, J.; VÄÄNÄNEN, A. Impoverishment of resident old-growth forest bird assemblages along an isolation gradient of protected areas in eastern Finland. Ornis Fennica, [S. l.], v. 77, n. 4, p. 145–154, 2000. Disponível em: https://ornisfennica.journal.fi/article/view/133537. Acesso em: 25 nov. 2024.