Reference

J. Sprong, Tanja J. Kouwenhoven, Andre Bornemann, Peter Schulte, Peter Stassen, Etienne Steurbaut, M. Youssef, Robert Speijer (2011): The Latest Danian Event along a paleobathymetric gradient in the Nile Basin (Eastern Dessert, Egypt) – Berichte der Geologischen Bundesanstalt – 85: 155.