ARHEIMER, O.; SVENSSON, S. Breeding performance of the Fieldfare Turdus pilaris in the subalpine birch zone in southern Lapland: a 20 year study. Ornis Svecica, Lund, Sweden, v. 18, n. 1, p. 17–44, 2008. DOI: 10.34080/os.v18.22679. Disponível em: https://journals.lub.lu.se/os/article/view/22679. Acesso em: 26 nov. 2022.