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999 _c285329
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040 _aBangabasi College Library
041 _aEnglish
082 _aCH 541
_bCRn28
100 _aCAVEN, R.M.
245 _aSymbols and formulae in chemistry :
_ban historical study
_cR.M.Caven and J.A. Cranston
260 _c1928
_bBlackie
_aLondon
300 _aix,220p.
650 _aCHEMISTRY
700 _aCRANSTON, J.A.
942 _cBK