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040 _cNust
082 _a540,CHE
245 _aChemistry Today
_cEncyclopedia
260 _aChicago
_bWorld Book Inc
300 _a154:p
505 _aIntroduction (Page-8), Atoms, Elements And Molecules (Page-12), Major Groups Of Elements (Page-22), Organic Chemistry (Page-66), Biochemistry (Page-104), Analytical Chemistry (Page-126).
650 _aEncyclopedia
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942 _2ddc
_cBK
999 _c183286
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