000 00316nam a2200133Ia 4500
008 221030s9999 xx 000 0 und d
041 _aEnglish
082 _a105.23
100 _aU Black
245 0 _aComputer Networks Protocols, Strandards & Interfaces
_cby U Black
260 _c0
650 _aMc
942 _cBK
999 _c11412
_d11412