00281nam a2200121Ia 45000030006000000080041000060400015000471000016000622450043000782600009001215460012001300050017001420STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aKalsi, P.S.  aOrganic reactions and their mechanisms  c1998  aEnglish20220125170314.0