00375nam a22001457a 4500003001200000005001700012008004100029020001500070040001200085082001400097100001600111245005700127260001100184650003400195NUST - PNEC20170116180842.0150822b        xxu||||| |||| 00| 0 eng d  a0120335271  cLIBRARY  a547.1 BET  a Bethell, D  aAdvances in physical organic chemistry.c D, Bethell  cc 1992  aPhysical organic chemistryx-