Reference
Stanislava Berkyova, Rainer Brocke, O. Fatka, Jiri Fryda, Eberhard Schindler, P. Filipiak, Leona Koptikova, Petr Budil, Thomas Suttner (2009): Prasinophyte bloom and intense micritization as evidences for enhanced nutrient load during Basal Chotec Event - a preliminary report. – Berichte des Institutes für Geologie und Paläontologie der Karl-Franzens-Universität Graz – 14: 11 - 12.