000 00461nam a2200193Ia 4500
008 221105s9999 xx 000 0 und d
020 _a0201507757
041 _aENGLISH
082 _a621.3981 N1
082 _bCYP
100 _aCYPSER R J
245 0 _aCOMMUNICATIONS FOR COOPERATING SYSTEMS: OSI, SNA AND TCP/IP
260 _bADDISON - WESLEY
260 _c1990
300 _a743
650 _aCOMPUTER SCIENCE
650 _bNETWORKS
942 _cREF
999 _c2618
_d2618