PEDERSEN, Stig Asbjørn Schack. Nyt geologisk kort over Danmark. Varv, [S. l.], v. 1989, n. 4, p. 119–122, 1989. DOI: 10.7146/varv.v1989i4.144603. Disponível em: https://tidsskrift.dk/varv/article/view/144603. Acesso em: 20 feb. 2026.