VÄISÄNEN, R. A.; JÄRVINEN, O. Structure and fluctuation of the breeding bird fauna of a north Finnish peatland area. Ornis Fennica, [S. l.], v. 54, n. 4, p. 143–153, 1977. Disponível em: https://ornisfennica.journal.fi/article/view/132950. Acesso em: 8 may. 2024.