000 00244nam a2200109Ia 4500
008 190516s9999 xx 000 0 und d
100 _aKEISER G E
245 0 _aLOCAL AREA NETWORKS
260 _c2001
_bMCGRAW HILL
300 _a420
942 _cBK
999 _c18762
_d18762