CARLSSON, Hjordis; CARLSSON, Leif; WALLIN, Christina; WALLIN, Nils-Erik. Great Tits incubating empty nest cups. Ornis Svecica, Lund, Sweden, v. 1, n. 1, p. 51–53, 1991. DOI: 10.34080/os.v1.23096. Disponível em: https://journals.lub.lu.se/os/article/view/23096. Acesso em: 19 apr. 2024.