SAARI, L.; MIKUSINSKI, G. Population fluctuations of woodpecker species on the Baltic island of Aasla, SW Finland. Ornis Fennica, [S. l.], v. 73, n. 4, p. 168–178, 1996. Disponível em: https://ornisfennica.journal.fi/article/view/133450. Acesso em: 22 nov. 2024.