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041 _aEnglish
082 _a530/ARO/B.SC/V.1
100 _aC.L ARORA
245 _aB.S.C PHYSICS
260 _bS.CHAND &COMPANY LTD
_aNew Delhi
_c1987
300 _c170P
650 _aPHYSICS
942 _cBK
999 _c74738
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