00422nam a2200169Ia 4500001001900000003000400019008004800023010002300071020001800094041001400112100002100126245002900147260004400176300001100220650001300231082000800244003616003617003618LIB220712b[19--?]        py ||||| |||| 00| 0 spa d  a003616003617003618  a950-614-341-2  aEspañol  aThurow, Lester C  aLa sociedad de suma cero  bHyspamérica,aBuenos Aires :c[19--?]  a219 p.  aECONOMIA  a330