Reference
Christa-Charlotte Hofmann, Rich D. Pancost, Franz Ottner, Hans Egger, Kyle W. R. Taylor, Omar Mohamed, Reinhard Zetter (2012): Palynology, biomarker assemblages and clay mineralogy
of the Early Eocene Climate Optimum (EECO) in the
transgressive Krappfeld succession (Eastern Alps,
Austria). – Austrian Journal of Earth Sciences – 105_1: 224 - 239.