HILDÉN, O.; JÄRVINEN, A.; LEHTONEN, L.; SOIKKELI, M. Breeding success of Finnish birds in the bad summer of 1981. Ornis Fennica, [S. l.], v. 59, n. 1, p. 20–31, 1982. Disponível em: https://ornisfennica.journal.fi/article/view/133086. Acesso em: 21 may. 2024.