1. Pressure Measurement by GaAs Piezoelectric Sensors;Fricke;El. Letters,1990
2. Piezoelectric Properties of GaAs for Application in Stress Transducers;Fricke;J. Appl. Physics,1991
3. Microwave Characterization and Comparison of Performance of GaAs Based MESFET, HEMTs and HBTs Operating at High Ambient Temperatures;Fricke,1992
4. Technology and Performance of a High Temperature Stable (up to 300°C) Operational Amplifier on GaAs;Böttner,1991
5. Non alloyed, high temperature stable ohmic contacts to GaAs based on LaB6 diffusion barriers;Würfl,1990