1. Noise properties of the injection-limited Gunn diode
2. T. Sebestgen, H. Hartnagel and L. Heron, Gallium Arsenide and Related Compounds, 1974 Conference Proceedings, p. 77.
3. Stabilisation mechanism for ‘supercritical’ transferred-electron amplifiers
4. On the mechanism for microwave amplification in ``supercritically'' doped n‐GaAs
5. A. Farrayre, B. Kramer and A. Mircea, Gallium Arsenid and Related Compounds, 1974 Conference Proceedings, p. 71.