000 00262nam a2200109Ia 4500
008 211009s9999 xx 000 0 und d
100 _aCROOKS
245 _aLEARNING VISUAL BASIC .NET THROUGH APPLICATIONS
260 _bFIREWALL
500 _a7372
942 _cCD's
999 _c22801
_d22801