00318nam a2200109Ia 4500008004100000040003800041100001700079245004800096250000600144260003600150653002200186211228s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aSykes, Peter 0aGuidebook to mechanizm in organic chemistry  a5  bOrient longmanaHyderabadc1985  aOrganic chemistry