000 00262nam a2200097Ia 4500
008 230915s9999 xx 000 0 und d
050 _aQA 76.3 .M53 Z33 2006
100 _aCraig Zacker
245 0 _aAcademic Learning Series: Network + Certification
942 _cBK
999 _c183079
_d183079