00322nam a2200133Ia 45000030006000000080041000060400015000471000013000622450049000752500010001242600025001345460012001590050017001710STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSykes,P.  aGuide book to mechanism in organic chemistry  aSixth  bOrient Longmanc1996  aEnglish20220125170319.0