00285nam a2200121Ia 4500008004100000020001500041041000800056082001400064100001400078245004300092260002000135300000800155230822s2007    xx            000 0 und d  a1566701384  aeng  a363.739 4  aLAENEN A.  aRIVER QUALITY DYNAMICS AND RESTORATION  bCRC PRESSc2007  a406