The article "Einschaltzwang für PCs" (always on for PCs).
The article "Ersatz für ATX Power Switch" (Elko mit z. B. 2200 µF/10 V als Ersatz für den ATX Power Switch bei BIOSen ohne "Power on AC loss") in the german journal Elektor and ed2k://|file|Elektor_98-00.rar|273567666|98462a3bc4dad6fe2faf7fc984929fb0|
An article about true random number generators in the german Linux Magazin 1999 here.
An article about the theory of true random number generation here.
Poster 23.75 on the DPG-Frühjahrstagung 1999 here (zipped postscript file).
Poster 27.24 on the DPG-Frühjahrstagung 2000 here (492 kB ps).
An article about Current limitation after pinch-off in AlGaN/GaN FETs in the MRS Internet Journal of Nitride Semiconductor Research here.
An article about Time-resolved Spectroscopy of the violet luminescence of undoped AlN in the MRS Internet Journal of Nitride Semiconductor Research here.
An article about writing Linux device drivers in german: "Gerätetreiber" in PC!Linux 4/2005, Pages 86-90.
A lecture with slides, the paper and Video recording at the
21C3
here.
It's also in the Proceedings in of thee 21th Chaos Communication
Congress, Bielefeld, Germany, 2004, ISBN 3-934636-02-0.
A tutorial about the parallel port (in german) here.
A tutorial about the serial port (in german) here.
A tutorial about the universal serial bus (USB, in german) here.
A tutorial about debouncing (in german) here.
Other publications are mentioned in the CV.