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024 _a116691
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040 _aYMCAF
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041 _aeng
082 _a530
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100 _aSingh, Manjeet
245 0 _aTextbook of engineering physics
260 _aNew Delhi
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300 _a278p
653 _aDuhan, Surender
653 _aFibre optics
653 _aPhysics
700 _aDuhan, Surender
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