KOCH, E.; CHRISTENSEN, E. F.; THOMSEN, E. Geology of the Søby-Fasterholt area. Atlas. Danmarks Geologiske Undersøgelse Serie A, Copenhagen, Denmark, v. 22, p. 1–121, 1989. DOI: 10.34194/seriea.v22.7041. Disponível em: https://geusjournals.org/index.php/seriea/article/view/7041. Acesso em: 2 may. 2024.