HARIO, M. Breeding failure and feeding conditions of Lesser Black-backed Gulls Larus f. fuscus in the Gulf of Finland. Ornis Fennica, [S. l.], v. 67, n. 4, p. 113–129, 1990. Disponível em: https://ornisfennica.journal.fi/article/view/133306. Acesso em: 25 nov. 2024.