000			00351nam a2200157Ia 4500
008			190201s9999 xx 000 0 und d
020			_a9.79E+12
082			_a5
082			_b133 CR
100			_a"Crooks,Clayton E"
245		0	_aLearning Visual Basic. N
260			_aNew Delhi
260			_bFirewall Midia
260			_c2004
300			_axx-439
999			_c40685 _d40685