THOMSEN, E. Lower Cretaceous calcareous nannofossil biostratigraphy in the Danish Central Trough. Danmarks Geologiske Undersøgelse Serie A, Copenhagen, Denmark, v. 20, p. 1–89, 1987. DOI: 10.34194/seriea.v20.7039. Disponível em: https://geusjournals.org/index.php/seriea/article/view/7039. Acesso em: 4 may. 2024.