1984 January   QST                                     p. 13
               A Keyboard Keyer and Code-Practice      4 pages
               System (VIC-20)
 
     July      QST                                     p. 20
               A Bit Pattern Analysis for the Apple    6 pages
               and the C64

     October   QST                                     p. 11
               A Complete Morse-Code System for the    5 pages
               VIC-20

1985 August    QST                                     p. 25
               The VIP: A VIC Image Processor          7 pages