000 00342nam a2200157Ia 4500
008 240223s9999 xx 000 0 und d
041 _a1
082 _a621.381955 HAL
082 _bHal
100 _aHalsall (Fred)
245 0 _aComputer Network And The Internet
250 _a1
260 _bPearson
260 _c2007
942 _cBK
999 _c345253
_d345251