000 00544nam a2200241Ia 4500
003 OSt
005 20220912144055.0
006 a|||||r|||| 00| 0
007 ta
008 220909b |||||||| |||| 00| 0 eng d
020 _a00000 (pbk)
024 _a201937
037 _cTextual
040 _beng
041 _aeng
100 _aIGNOU
245 0 _aPHE-02 Oscillations and waves
250 _a1992
260 _aNew Delhi
_bIGNOU
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300 _a106p. ill.
_ccm
942 _cTEXL
_2CC
999 _c2475
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