HARIO, M. Chick growth and nest departure in Baltic Black Guillemots Cepphus grylle. Ornis Fennica, [S. l.], v. 78, n. 3, p. 97–108, 2001. Disponível em: https://ornisfennica.journal.fi/article/view/133552. Acesso em: 19 may. 2024.