DYBKJÆR, K. Palynological zonation and stratigraphy of the Jurassic section in the Gassum No. 1-borehole, Denmark. Danmarks Geologiske Undersøgelse Serie A, Copenhagen, Denmark, v. 21, p. 1–73, 1988. DOI: 10.34194/seriea.v21.7040. Disponível em: https://geusjournals.org/index.php/seriea/article/view/7040. Acesso em: 4 may. 2024.