000 nam a22 7a 4500
999 _c97454
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008 181127b ||||| |||| 00| 0 eng d
020 _a9789386649447
080 _a539
_bNAR
100 _aNarayana Rao, B. V.
245 _aModern physics
250 _a2nd ed.
260 _aNew Delhi
_bNew Age
_c2018
300 _a470 p.
653 _aTheory of Relativity
653 _aElectron
653 _aLaser
942 _cBK