NIELSEN, E. B. Petrographic study of Danian limestone from eastern Denmark (Core Copenhagen TUBA 13). Danmarks Geologiske Undersøgelse II. Række, [S. l.], v. 106, p. 1–26, 1976. DOI: 10.34194/raekke2.v106.6897. Disponível em: https://geusjournals.org/index.php/raekke2/article/view/6897. Acesso em: 5 may. 2024.