00410nam a2200157Ia 4500003000400000005001700004008004100021020001500062040000900077082001700086100001500103245005600118250001200174260005700186300000900243OSt20200814140155.0190216s9999||||xx |||||||||||||| ||und||  a8122412688  coclc  a547.2bKAL/O  aKalsi, P S 0aOrganic Reactions And Their Mechanisms /cP S Kalsi  a2nd Ed.  bNew Age International Publishers,c2000.aNew Delhi:  a650p