000			00476 a2200181 4500
008			231204b1990 |||||||| |||| 00| 0 eng d
005			20240509121310.0
245			_aNetwork System Architecture
300			_a384p. _c24cm.
500			_a
035			_balis book code _a1165
700			_aWalford , Robert B. _e _91219
260			_bAddison - Wesley, _c1990
653			_aSystem design
653			_aBusiness
653			_aInformation networks
653			_aCommunication systems
999			_c1174 _d1174