Hergert, Douglas <br/><br/>
Das Visual Basic Buch / 
Douglas Hergert. 
 - Düsseldorf :  SYBEX,  1992. 
 - xii, 368 S. 
<br/><br/><label>ISBN: </label>3-88745-163-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fine mechanics