00350nam a2200145Ia 450000100060000000800410000602000180004704000130006508200200007810000160009824500630011426000090017730000110018654600070019710627140331s9999    xx            000 0 und d  a81-7635-150-4  cPK-LaUMT  a 005.437bPER-S  aPerry, Greg  aSAMS teach yourself visual basic 6 in 21 dayscPerry, Greg  c1998  a851 p.  aEN