Reference
Holger C. Forke, Hans-Peter Schönlaub, Elias Samankassou (2006): The Late Paleozoic of the Carnic Alps (Austria/Italy): Guidebook; Field-trip of the SCCS Task Group to establish GSSP's close to the Moscovian/Kasimovian and Kasimovian/Gzhelian boundaries 31. July - 1. August 2006 – Berichte der Geologischen Bundesanstalt – 70: 1 - 57.