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040 _aMAIN
041 _aEnglish
082 _a539
_bMUR P1
100 _aMurugeshan, R.
245 0 _aModern physics
_cR.Murugeshan
250 _a9th
260 _aNew Delhi
_bS.Chand Pub.
_c200
300 _axxix,872
942 _cBK
999 _c19343
_d19343