000 00304nam a2200133Ia 4500
100 _aDungan, Frank R.
020 _a0-8273-8624-9
250 _a3rd ed
942 _cBK
245 _aElectronic communications systems
260 _aDelmar, New York
_c1998
082 _a621.380413 Dun
300 _axi, 819
999 _c38857
_d38857