Reference

Otto Moog, Stefan Brunner, Uwe H. Humpesch, Astrid Schmidt-Kloiber (2000): The distribution of benthic invertebrates along the Austrian stretch of the River Danube and its relevance as an indicator of zoogeographical and water quality patterns - Part 2. – Arch. Hydrobiol. Suppl. – 115/4: 473 - 509.