1. Chang, K., and Ebert, R.L. (1980). “W-Band Power Combiner Design,” IEEE Trans. Microw. Theory Tech. MTT-28, 295.
2. Chang, K., and Kuno, H.J. (1990). “IMPATT and Related Transit-Time Devices,” in Handbook of Microwave and Optical Components (K. Chang, Ed.), Vol. 2, Ch. 7, 305.
3. Constant, E. (1976). “Noise in Microwave Injection Transit Time and Transferred Electron Devices,” Physica, 83B, 24.
4. Eddison, I.G. (1984). “Indium Phosphide and Gallium Arsenide Trans ferred-Electron Devices”, in Infrared and Millimeter Waves, K.J. Button, Ed., Vol. 11, Ch. 1, p. 1.
5. Glisson, T.H., Sadle, R R.A., Hauser, J.R. and Littlejohn, M.A. (1980). “Circuit Effects in Time-of Flight Diffusivity Measurements,” Solid State Electron., 23, 637.