1. J. E. Davey, A. Christou; in “Reliability and Degradation” edited by M. J. Howes, D. V. Morgan, Wiley, NY 1981, p. 237.
2. J. C. Irvin; in “GaAs FET Principles and Technology” edited by J. V. Di Lorenzo, D. D. Khandelwal, Artech House, Dedham 1982, p. 283.
3. J. M. Dumas, et al.L’ Echo des Reserches 123, p. 35, 1986.
4. A. Christou; Tutorial 3 at the Inter. Rel. Phys. Symp., 1986 (unpublished).
5. W. J. Roesch; Tutorial 1 at the Inter. Rel. Phys. Symp., 1988 (unpublished).