USSING, N. V.; FLINK, G. 4. Résumé des communications sur le Grønland. Meddelelser om Grønland, [S. l.], v. 14, p. 401–421, 1898. DOI: 10.7146/mog.v14.139847. Disponível em: https://tidsskrift.dk/meddrgroenland/article/view/139847. Acesso em: 14 mar. 2025.