WDR ComputerClub classic - Juni 1997
28:39
WDR ComputerClub classic - August 1997
28:49
WDR ComputerClub praxis - Juni 1997
29:36
WDR ComputerClub online - August 1997
28:50
WDR ComputerClub online - Juni 1997
15:17
Servo Unterflurantrieb für Weichen
28:05
WDR ComputerClub praxis - November 1997
27:53
WDR ComputerClub classic - November 1997
44:39