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020 _a9788122432442
040 _aMAIN
041 _aEnglish
082 _a547.28 GUP
100 _aGupta, A. P.,
_910333
245 0 _aPolymer composite
250 _a2nd
260 _bNew Age
_aLondon
_c2018
300 _a174
650 _aChemistry
942 _cBK
999 _c45552
_d45552