FRANSSON, Thord; STOLT, Bengt-Olov. The wintering of Blackcaps Sylvia atricapilla (L.) in Sweden. Ornis Svecica, Lund, Sweden, v. 4, n. 2–3, p. 105–123, 1994. DOI: 10.34080/os.v4.23024. Disponível em: https://journals.lub.lu.se/os/article/view/23024. Acesso em: 30 apr. 2024.