APPEL, Peter. Wolfram - wolframeftersøgning i Vestgrønland. Varv, [S. l.], v. 1985, n. 1, p. 8–13, 1985. DOI: 10.7146/varv.v1985i1.145125. Disponível em: https://tidsskrift.dk/varv/article/view/145125. Acesso em: 6 dec. 2025.