LINDSTRÖM, S.; VOSGERAU, H. .; PIASECKI, S. .; NIELSEN, L. H. .; DYBKJÆR, K. .; ERLSTRÖM, M. Ladinian palynofloras in the Norwegian–Danish Basin: a regional marker reflecting a climate change. GEUS Bulletin, Copenhagen, Denmark, v. 17, p. 21–24, 2009. DOI: 10.34194/geusb.v17.5005. Disponível em: https://geusbulletin.org/index.php/geusb/article/view/5005. Acesso em: 29 jun. 2022.