000 00277nam a2200109Ia 4500
008 230320s9999||||xx |||||||||||||| ||spa||
082 _a540/M27
100 _aMasterton, William ; Slowinski, Emil
245 0 _aQuimica General Superior
260 _bMcGraw-Hill
942 _80
_cLIB
999 _c32665
_d32665