000 00391nam a2200169Ia 4500
008 191228s9999||||xx |||||||||||||| ||und||
020 _c550
082 _a621.38415 DUN
100 _aFrank, R. Dungan
245 0 _aElectronic communication systems
250 _a3
260 _aNewdelhi
260 _bVikas Publishing House
260 _c1998
300 _a819 pp.
650 _aElectronics
999 _c311
_d311