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082 _a621.382 EUE'C
100 _aEVERILT, W. L,ANNER, G. E
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245 _aCOMMUNICATIONS ENGINEERING
250 _a3RD
260 _aNEWYORK
_bMCGRAW HILL
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300 _a644P
942 _cBK
999 _c567201
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