1. Active and Nonlinear Wave Propagation in Electronics;Scott,1970
2. New instability concept in avalanche diode oscillation;Daikoku;Jap. J. App. Phys.,1974
3. Avalanche breakdown as a nonlinear wave;Agu;Jap. J. App. Phys.,1977
4. M. Agu (1977), private communication.
5. Model experiments on the interaction of plasma and ion-acoustic waves;Kiyashko;Fiz. Plasmy,1975