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040 _aCotton College,Assam
041 _a465
082 _a721.972
_bAs 86 St
100 _aAston, F.W. .
245 0 _aStructural Units of the Material Universe /
_cF.W.Aston.
_hTextual Documents
250 _a1st ed. /
260 _aSl :
_bSn ,
_cNd.
300 _a23p. :
_bill ;
_c22cm .
653 _aArts
653 _aG-Technology
942 _2ddc
_cBK
999 _c36424
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