LEMMETYINEN, R. The migration routes of Finnish common and Arctis terns (Sterna hirundo and S. Paradisaea) in Scandinavia. Ornis Fennica, [S. l.], v. 45, n. 4, p. 114–124, 1968. Disponível em: https://ornisfennica.journal.fi/article/view/132749. Acesso em: 19 sep. 2024.