1. Skrebushevskii, B.S., Melanina, T.V., Surovtseva, I.V., and Frolenko, A.N., Kosmonavt. Raketostr., 2003, no. 30, p. 128.
2. Sokolov, A.B., Doctoral (Eng.) Dissertation, Moscow MIEM, 2009.
3. AD8307 Chip, Technical Description. http://www.analog.com/media/en/technical-documentation/datasheets/AD8307.pdf)
4. Grafodatskii, O.S., Candidate Sci. (Eng.) Dissertation, Krasnoyarsk: NPO PM,1985.
5. Demirchyan, K.S., Neiman, L.R., and Korovkin, N.V., Teoreticheskie osnovy elektrotekhniki (Theoretical Foundations of Electrical Engineering), A Tutorial for Higher School, 5th ed., St. Petersburg: Piter, 2009, vol. 2.