00277nam a2200133Ia 45000030006000000080041000060400015000471000009000622450024000712500010000952600009001055460012001140050017001260STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aRama  aOur water resources  aFirst  c1999  aEnglish20220125165523.0