OJANEN, M.; ORELL, M.; MERILÄ, E. Population decrease of Starlings in northern Finland. Ornis Fennica, [S. l.], v. 55, n. 1, p. 38–39, 1978. Disponível em: https://ornisfennica.journal.fi/article/view/132961. Acesso em: 18 may. 2024.