HARIO, M. Effects of supplementary feeding on the C-egg constituents in the nominate Lesser Black-backed Gull Larus f. fuscus. Ornis Fennica, [S. l.], v. 74, n. 4, p. 167–177, 1997. Disponível em: https://ornisfennica.journal.fi/article/view/133471. Acesso em: 19 touko. 2024.