00299nam a2200133Ia 45000030006000000080041000060400015000471000024000622450031000862500010001172600009001275460012001360050017001480STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aGerahard Hirschfeld  aPeople growth and survival  aFirst  c1973  aEnglish20220125165621.0