00323pam a2200145a 44500008004100000020000900041041001200050082000900062100001700071245003500088250000600123260003100129300000800160650000900168230515b1998    xxu||||| |||| 00| 0 eng d  aNULL  aENGLISH  aN.D.  aPeter Syques  aMechanism In Organic Chemistry  a0  aNULLbOrient Longmanc1998  a416  aNULL