Stefan Dittrich (Dittrich, Stefan)

• 
  Amiga System Programmer's Guide

  ISBN 1557550344 (1-55755-034-4)
  Softcover, Abacus Software Inc

  
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• 
  Quickbasic Toolbox
  

  by Stefan Dittrich

  ISBN 1557551049 (1-55755-104-9)
  Hardcover, Abacus Software Inc

  
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• 
  Visual Basic Now!
  

  by Stefan Dittrich

  ISBN 1557551308 (1-55755-130-8)
  Hardcover, Abacus Software Inc

  
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