000 00257nam a2200109Ia 4500
008 230320s9999||||xx |||||||||||||| ||spa||
082 _aR/505/S18/93
100 _aAyala, Francisco
245 0 _aLa Naturaleza Inacabada
260 _bSalvat
942 _893
_cLIB
999 _c23447
_d23447