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082 _a420 H586c
100 1 _aHess,Fred C.
245 1 0 _aChemestry made simple / Fred C. Hess
260 _aLondon,Inglaterra : The publisher w.h. allen & company ltd
300 _a286 páginas
650 4 _aIngles
942 _2ddc
_cBK
999 _c20375
_d20375