000 00281nam a22001217a 4500
082 _a621.382 EVE'C
100 _aEVERITT, W. L,ANNER, G. E
_956873
245 _aCOMMUNICATION ENGINEERING
250 _a3RD
260 _aNEWYORK
_bMCGRAW HILL
_c1956
300 _a644P
942 _cBK
999 _c567203
_d567203