PULLIAINEN, E.; MARJAKANGAS, A. Eggshell thickness in eleven sea and shore bird species of the Bothnian Bay. Ornis Fennica, [S. l.], v. 57, n. 2, p. 65–70, 1980. Disponível em: https://ornisfennica.journal.fi/article/view/133035. Acesso em: 23 nov. 2024.