KOSKIMIES, J. On movements of the swift, Micropus a. apus L., during the breeding-season. Ornis Fennica, [S. l.], v. 24, n. 3–4, p. 106–111, 1947. Disponível em: https://ornisfennica.journal.fi/article/view/132503. Acesso em: 25 dec. 2024.