Reference
Michael Wagreich, Hans Egger, Holger Gebhardt, Omar Mohammed, Christoph Spötl, Veronika Koukal, Gerhard Hobiger (2011): A new expanded record of the Paleocene-Eocene transition in
the Gosau Group of Gams (Eastern Alps, Austria). – Annalen des Naturhistorischen Museums in Wien – 113A: 35 - 65.