000 00260nam a2200121Ia 4500
008 190516s9999 xx 000 0 und d
100 _aTENBAUM (A S)
245 0 _aComputer Network
250 _a4TH
260 _c2006
_bPEARSON
300 _a891
942 _cBK
999 _c17384
_d17384