OJANEN, M.; ORELL, M.; VÄISÄNEN, R. A. Egg size variation within passerine clutches: effects of ambient temperature and laying sequence. Ornis Fennica, [S. l.], v. 58, n. 3, p. 93–108, 1981. Disponível em: https://ornisfennica.journal.fi/article/view/133071. Acesso em: 21 may. 2024.