ERIKSSON, K. Irruption and wintering ecology of the Great Spotted Woodpecker Dendrocopos major. Ornis Fennica, [S. l.], v. 48, n. 2, p. 69–76, 1971. Disponível em: https://ornisfennica.journal.fi/article/view/132814. Acesso em: 27 nov. 2024.