STJERNBERG, T. The size of the breeding Eider population of the Baltic in the early 1980s. Ornis Fennica, [S. l.], v. 59, n. 2–3, p. 135–140, 1982. Disponível em: https://ornisfennica.journal.fi/article/view/133100. Acesso em: 26 nov. 2024.