00310nam a2200133Ia 45000030006000000080041000060400015000471000016000622450050000782500010001282600009001385460012001470050017001590STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBurch, W.R.  aReadings in ecology, energy and human society  aFirst  c1977  aEnglish20220125170452.0