00325nam a2200121Ia 4500008004100000100002900041245005800070260003000128300000900158650001400167942000700181999001500188190216s9999||||xx |||||||||||||| ||und||  aParmar. Vs And Chawla Hm 0aPrinciples Of Reaction Mechanism In Organic Chemistry  bSulthan  Chand&Sonsc1985  a447p  aChemistry  cBK  c2580d2580