000			00561nam a2200205Ia 4500
008			161214s9999 xx 000 0 und d
020			_a8176352586 _c(pbk)
082			_223 _a621.382 _bDER
100			_aDerfler, Frank J.
245		0	_aHow Networks Work
250			_a4th ed.
260			_aNew Delhi: _bTechmedia, _c1999
300			_a212 p.; _bIllus. Index.: _c25 cm.
650			_aCommunicating by Wire
650			_aCommunication Networks
650			_aComputer Engineering
650			_aTelephones
650			_aWireless Communication
942			_2ddc _cBK
999			_c8494 _d8494