CLAUSEN, Claus Koch. Et svaneøglekranium. Varv, [S. l.], v. 1981, n. 1, p. 12–15, 1981. DOI: 10.7146/varv.v1981i1.147113. Disponível em: https://tidsskrift.dk/varv/article/view/147113. Acesso em: 6 dec. 2025.