00324nam a2200109Ia 450000500170000000800410001702000220005805000190008010000180009924500600011726000370017720251229182039.0251229s9999    xx            000 0 und d  a978-0-13-012720-4  aQA 76.9 .B3S36  aSchneider D.I 0aEssentials of visual basic 6.0 programmingcI Schneider  aNew Jerseyb Prentice hallc1999