000			00487 a2200181 4500
020			_a0201565331
082			_a004.65 _bSCH
090			_c828 _d926
100			_aSchafer, Werner
245			_aSystems network architecture
260			_aEngland _bAddison - Wesley _c1992 _g1992
300			_aviii,222p. _c24cm
650			_aComputer science
650			_aInterfacing and communications
650			_aCommunications network architecture
700			_aMeulen, Helmut an de
942			_cSR
999			_c30007 _d30007