00417nam a2200169Ia 4500001000700000003000400007008004800011010001100059041001400070100002300084245005000107260003600157300001100193650001400204650001800218082001100236000334LIB220712b[19--?]        py ||||| |||| 00| 0 spa d  a000334  aEspañol  aLafaille, Héctor  aContratos: contratos unilaterales privilegios  bAriel,aBuenos Aires :c[19--?]  a411 p.  aCONTRATOS  aDERECHO CIVIL  a346.02