1. J. Požhela, Plasma and Current Instabilities in Semiconductors, Pergamon Press, Oxford (1981).
2. V. Denis and J. Požela, Hot Electrons [in Russian], Mokslas, Vilnius (1971).
3. S. Krishnamurthy, A. Sher, and A.-B. Chen, “Materials choice for ballistic transport: Group velocities and mean free paths calculated from realistic band structures,” Appl. Phys. Lett., 52, No. 6, 468–470 (1988).
4. D. C. Herbert, “Structured-base hot-electron transistors: I. Scattering rates,” Semicond. Sci. Technol., 3, No. 2, 101–110 (1988).
5. A. F. J. Levi and T. H. Chiu, “Room temperature operation of unipolar hot electron transistors,” Solid State Electron., 31, No. 3/4, 625–628 (1988).