HEILMANN-CLAUSEN, C. Dinoflagellate stratigraphy of the uppermost Danien to Ypresian in the Viborg 1 borehole, central Jylland, Denmark. Danmarks Geologiske Undersøgelse Serie A, Copenhagen, Denmark, v. 7, p. 1–69, 1985. DOI: 10.34194/seriea.v7.7026. Disponível em: https://geusjournals.org/index.php/seriea/article/view/7026. Acesso em: 3 jul. 2024.