Tockner, K., Schiemer, F., Baumgartner, C., Kum, G., Weigand, E., Zweimüller, I., & Ward, J. V. (1999). The Danube restoration project: species diversity patterns across connectivity gradients in the floodplain system. Regulated Rivers, 15(1-3), 245-258. https://doi.org/10.1002/(Sici)1099-1646(199901/06)15:1/3<245::Aid-Rrr540>3.0.Co;2-G