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041 _aEnglish
082 _a105.23
_bGha
100 _aA. Ghatak
245 0 _aOptics
_cby A. Ghatak
250 _a2ed
260 _bTMH
_aNew Delhi
_c2999
300 _a694
650 _aPhysics
942 _cBK
999 _c6998
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