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020 _c465
040 _aMAIN
100 _aDr. Upendranath Nandi & Dr. Debnarayan Jana
245 0 _aNano Materials: Theory Problrms And Solutions
250 _a2nd
260 _bTechno World
_c2020
650 _aPhysics
942 _cBK
999 _c41769
_d41769