00289nam a2200133Ia 45000030006000000080041000060400015000471000021000622450024000832500010001072600009001175460012001260050017001380STCL150530s9999 xx 000 0 und d aSTCLcSTCL aWilloughby, L.G. aFresh water biology aFirst c1978 aEnglish20220125170401.0