Schiøler, P., J. Andsbjerg, O. R. Clausen, G. Dam, K. Dybkjær, L. Hamberg, C. Heilmann-Clausen, L. E. Kristensen, I. Prince, and J. A. Rasmussen. “A Revised Lithostratigraphy for the Palaeogene – Lower Neogene of the Danish North Sea”. GEUS Bulletin, vol. 7, July 2005, pp. 21-24, doi:10.34194/geusb.v7.4825.