000 00618nam a2200193 4500
008 171118b xxu||||| |||| 00| 0 eng d
020 _a0-13-312083-x
082 _21995
_aDC 621.382
_bR61
100 _923510
_aRoddy, Dennis, author.
245 _aElectronic communications/
_cDennis Roddy, John Coolen.
250 _bFourth edition.
260 _aEnglewood Cliffs, New Jersey:
_bPrentice Hall,
_c©1995.
300 _aix, 820 pages:
_billustrations;
_c26 cm.
500 _aIncludes index.
650 0 _923511
_aTelecommunications
700 _923512
_aCoolen, John, author.
365 _b3386
_cPhp
942 _2ddc
_cDC
999 _c7789
_d7789