000 00316nam a2200133Ia 4500
008 230222s9999 xx 000 0 und d
082 _a004.6
100 _aFreer John
245 0 _aComputer Communications and networks
250 _a1
260 _bAffiliated Eastwest Press
_c2001
650 _aCOMPUTER
942 _cBK
999 _c663
_d663