00334nam a2200121Ia 4500008004100000020001800041082001800059100003600077245004700113260002400160300001100184650001700195120622s9999    xx            000 0 und d  a970-07-3110-3  a346.018 R397t  aRendón Ugalde, Carlos Efrén  aLa tutela / Carlos Efrén Rendón Ugalde  aMéxico : Porrúa  a273 p.  a1. TUTELAÌ