000 00383nam a2200145Ia 4500
008 211214s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aEveritt, W L
245 0 _aCommunication engineering
250 _a2
260 _bMcGraw hill Book Company Inc.
_aNew York
_c1937
300 _avii, 713 p.
653 _aEngineering
942 _c1
999 _c35702
_d35702