00286cam a22000977a 4500008004000000082001600040245005100056260005000107300001400157700001700171180718b1981   xxu||||| |||| 00| 0 eng d  aT122x42/Un3  aEconomics of the profitscedited by W.E Martin  aLondonbHer Majesty's Stationery Officec1981  axii, 226p  aMartin, W.E.