000 00333nam a2200145Ia 4500
008 160902s9999 xx 000 0 und d
020 _a1-57231-517-X
040 _cPK-GjGUL
082 _a004.6
_bNET-N
245 0 _aNetworking essentials
260 _aU.S.A.
_bMicrosoft Press
_c1997
300 _a838
546 _aeng
942 _cBK
999 _c2257
_d2257