Reference
Johann Waringer, Andreas Chovanec, Michael Straif, Wolfram Graf, Walter Reckendorfer, Andrea Waringer-Löschenkohl, Herwig Waidbacher, Heike Schultz (2005): The Floodplain Index - habitat values and indication weights for molluscs, dragonflies, caddisflies, amphibians and fish from Austrian Danube floodplain waterbodies. – Lauterbornia – 2005_54: 177 - 186.