000 00282nam a2200109Ia 4500
008 210518s9999||||xx |||||||||||||| ||und||
080 _a82-34
100 _aTraven, B.
245 0 _aGobierno./
_cTraven, B.
260 _aMexico D.F.
_bCompaƱia Gral de Ed.
_c1973
300 _a267p.
_c19 cm
999 _c10435
_d10435