00293nam a2200121Ia 45000030006000000080041000060400015000471000021000622450032000832600027001155460012001420050017001540STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aAdams and others  aQuality of mans environment  bVoice of Americac1968  aEnglish20220125171403.0