[1]
Schovsbo, N.H., Rasmussen, S.L., Sheldon, E. and Stemmerik, L. 2008. Correlation of carbon isotope events in the Danish Upper Cretaceous chalk. GEUS Bulletin. 15, (Jul. 2008), 13–16. DOI:https://doi.org/10.34194/geusb.v15.5032.