000 | 00391nam a22001697a 4500 | ||
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999 |
_c826812 _d826812 |
||
003 | OSt | ||
020 | _a9789350144664 | ||
082 | _a621.391 GAU | ||
100 | _aGautam A K | ||
245 | _aCommunication System 1 | ||
250 | _a3 | ||
260 |
_aNew Delhi _bS K Katatria and Sons _c2017 |
||
300 | _a268 | ||
440 | _aCommunication System 1 | ||
650 | _aCommunication System | ||
942 |
_2ddc _cBK |