00365nam a2200145Ia 4500001000500000005001700005008004100022020001500063082001200078100002300090245006700113250000700180260001800187650001400205209920261006003607.0120911s9999    xx            000 0 und d  a0135989884  a540 BRO  aBrown, Theodore L.  aChemistry : the central science / Theodore L. Brown. - 7th ed.  a7E  aPrentice Hall  aChemistry