Mergelen i Djursland. Danmarks Geologiske Undersøgelse III. Række, [S. l.], v. 18, p. 1–41, 1919. DOI: 10.34194/raekke3.v18.6923. Disponível em: https://geusjournals.org/index.php/raekke3/article/view/6923. Acesso em: 19 oct. 2025.