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020 _a(pbk)
082 _a534
_bARO
_cL-6,P-74
100 _aArora- C. L.
_939693
245 _aSound
250 _a10th ed.
260 _aNew Delhi
_bS. Chand and Company
_c1977
300 _a805p
526 _a0
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650 _aPhysics
942 _2ddc
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999 _c544369
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