00299nam a2200121Ia 45000030006000000080041000060400015000471000013000622450048000752600025001235460012001480050017001600STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSykes,P.  aGuidebook to mechanism in organic chemistry  bOrient Longmanc1976  aEnglish20220125170320.0