1. Ivanov, B.E., Krokhina, S.S., Fridland, N.S., Platova, E.V., Badeeva, E.K., Loskutov, L.G., Kluev, B.P., Mitrokhin, A.M., Beskopyl’nyi, A.M., and Kalashnikov, I.V., Author’s Certificate no. 1594950, 1989, Byull. Izobret., 1996, no. 3.
2. Ivanov, B.E., Krokhina, S.S., Fridland, N.S., Platova, E.V., Badeeva, E.K., and Beskopyl’nyi, A.M., Author’s Certificate no. 1616037, 1989, Byull. Izobret., 1996, no. 3.
3. Ivanov, B.E., Krokhina, S.S., Fridland, N.S., Platova, E.V., Badeeva, E.K., Loskutov, L.G., Kluev, B.P., Mitrokhin, A.M., Beskopyl’nyi, A.M., and Kalashnikov, I.V., Author’s Certificate no. 1616036, 1989, Byull. Izobret., 1996, no. 2.
4. Ivanov, B.E., Krokhina, S.S., Fridland, N.S., Platova, E.V., Badeeva, E.K., Liakumovich A.G., Fridman, B.S., Gamer, P.U., Rybka, V.Ya., Loskutov, L.G., Kluev, B.P., Mitrokhin, A.M., Beskopyl’nyi, A.M., Grunberg, Yu.A., and Kalashnikov, I.V., Author’s Certificate no. 1614451, 1989, Byull. Izobret., 1996, no. 4.
5. RF Patent 2179152, 2000, Byull. Izobret., 2002, no. 4.