HERNES, I. Månesten. Varv, [S. l.], v. 1970, n. 2, p. 58–60, 1970. DOI: 10.7146/varv.v1970i2.151082. Disponível em: https://tidsskrift.dk/varv/article/view/151082. Acesso em: 8 jan. 2025.