000 00310nam a2200121Ia 4500
005 20250224150036.0
008 250221s9999 xx 000 0 und d
041 _aeng
100 _aCommer, D.E.
245 _aComputer Network and Internet
260 _bPEARSON EDUCATION
650 _aComputer Network and Internet
999 _c9432
_d9432