SCHOVSBO, N. H.; NIELSEN, A. T.; ERLSTRÖM, M. Middle–Upper Ordovician and Silurian stratigraphy and basin development in southernmost Scandinavia. GEUS Bulletin, Copenhagen, Denmark, v. 35, p. 39–42, 2016. DOI: 10.34194/geusb.v35.4907. Disponível em: https://geusbulletin.org/index.php/geusb/article/view/4907. Acesso em: 26 jun. 2022.