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020 _a130167622
041 _aEN
082 _a621.38
_bMIL
_223
100 _a Miller, Gary M.
100 _aBeasley Jeffrey S.
245 _aModern electronic communication
_c/by Gary M. Miller, Jeffrey S. Beasley
250 _a7th ed.
260 _aNew Jersey
_bPrentice-Hall
_c2002
300 _axix, 883 p.
509 _aNS
650 _aElectronic communications
942 _cR