00331nam a2200133Ia 45000030006000000080041000060400015000471000038000622450036001002500010001362600022001465460012001680050017001800STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aJames English; Harold Cassidy, G.  aPrinciples of organic chemistry  aThird  bMcgraw hillc1961  aEnglish20220125170314.0