000 00355nam a2200157Ia 4500
008 190201s9999 xx 000 0 und d
020 _a81-7008-356-7
082 _a5
082 _b133 CR
100 _a"Crooks, Clayton E."
245 0 _aLearning Visual Basic.Ne
260 _aNew Delhi
260 _bFirewall media
260 _c2003
300 _a439
999 _c40684
_d40684