00446nam a2200169Ia 4500001000700000003000500007005001700012008004100029010001500070020001500085040001300100050002200113100003200135245004400167260004700211300001800258162209BIBL20160527183650.0930810s1989    pr               1  spa    a 93189684   a9686308261  aDLCcDLC00aMLCS 93/13152 (P)2 aPadilla Rosa, Samuel2Local13aLa brecha abiertacSamuel Padilla Rosa.  aRío Piedras, P.R.bEditorial Edilc1989.  a75 p.c20 cm.