Reference
Leo W.S. De Graaff, Harry Arie Christoffel Seijmonsbergen (2001): Postglacial landslides and their impact on Pleistocene lake floor deposits in the Balderschwang Valley as witnessed by geomorphological, sedimentological and geophysical evidence (Vorarlberg, Austria). – Vorarlberger Naturschau - Forschen und Entdecken – 9: 237 - 251.