1. E. A. Myasin, V. Ya. Kislov, and E. V. Bogdanov, USSR Inventor’s Certificate No. 1125735, Byull. Izobret. No. 43 (1984).
2. V. Ya. Kislov, N. N. Zalogin, and E. A. Myasin, Radiotekh. Elektron. 24, 1118 (1979).
3. V. Ya. Kislov, E. A. Myasin, and N. N. Zalogin, Radiotekh. Elektron. 25, 2160 (1980).
4. B. S. Dmitriev, Yu. D. Zharkov, N. M. Ryskin, and A. M. Shigaev, J. Commun. Technol. Electron. 46, 561 (2001).
5. M. P. Kennedy, IEEE Trans. Circuits Syst. I 41, 771 (1994).