000 00297nam a2200121Ia 4500
001 2581
008 170420s9999 xx 000 0 und d
020 _a9789582403164
100 1 _anora yolanda guzman mora
245 1 0 _aquimica 10- quimica general e inorganica
260 _bsantillana
942 _cAP
999 _c9707
_d9707