Sheldon, E. ., Rasmussen, E. S. ., Dybkjær, K. ., Eidvin, T. ., Riis, F. . and Weibel, R. . (2018) “Miocene oil-bearing diatom ooze from the North Sea”, GEUS Bulletin. Copenhagen, Denmark, 41, pp. 29–32. doi: 10.34194/geusb.v41.4335.