Reference

Erika Kido, Thomas Suttner, Monica Pondrelli, Carlo Corradini, Maria G. Corriga, Luca Simonetto, Stanislava Berkyova (2011): Middle Devonian rugose corals of the Carnic Alps and their relation to the Late Eifelian Kacák Event. – Berichte des Institutes für Geologie und Paläontologie der Karl-Franzens-Universität Graz – 16: 54 - 56.