00397nam a2200157Ia 4500008004100000020001500041082001600056100001600072245002800088260005200116300000800168650001800176650001800194653001200212653001500224170901s1980    xx            000 0 und d  a0632004037  a574.5bM83E  aMoss, Brian 0aEcology of Fresh Waters  aOxfordbBlackwell Scientific Publicationsc1980  a332  aLife sciences  aPure Sciences  aEcology  aFreshwater