JÄRVINEN, O.; VÄISÄNEN, R. Population trends of Finnish Starlings in the 1970s. Ornis Fennica, [S. l.], v. 55, n. 2, p. 80–82, 1978. Disponível em: https://ornisfennica.journal.fi/article/view/132972. Acesso em: 16 may. 2024.