1. G. T. Cherenkov, in: Summary of Reports of the IV All-Union Conference ?Metrology in Radio-Electronics? [in Russian], 12?14 September, 1978, Vsesoyuznyi Nauchno-Issled. Inst. Fiziko-Tekh. i Radiotekh. Izmerenii, Moscow (1978).
2. G. T. Cherenkov, in: Summary of Reports of the VI All-Union Coordination Scientific-Technical Conference on the State Time and Frequency Service of the USSR [in Russian], 11?13 September, 1979, Vsesoyuznyi Nauchno-Issled. Inst. Fiziko-Tekh. i Radiotekh. Izmerenii, Moscow (1979).
3. I. S. Gonorovskii, Radio-Engineering Circuits and Signals [in Russian], Part 1, Sov. Radio, Moscow (1967).
4. E. M. Vereshchagin and Yu. G. Nikitenko, Frequency and Phase Modulations in Communications Engineering [in Russian], Svyaz', Moscow (1974).
5. Regulations for Radio Communications [in Russian], Svyaz', Moscow (1975).