1. E. L. Belokoneva, M. A. Simonov, B. V. Mill’, et al., Dokl. Akad. Nauk SSSR 255 (5), 1099 (1980).
2. A. A. Kaminskii, B. V. Mill’, and S. E. Sarkisov, Physics and Spectroscopy of Laser Crystals (Nauka, Moscow, 1986) [in Russian].
3. AO Fomos-Materials, Moscow. https://newpiezo.com.
4. A. A. Kaminskii, E. L. Belokoneva, B. V. Mill, et al., Phys. Status Solidi A 86, 345 (1984). https://doi.org/10.1002/pssa.2210860139
5. B. V. Mill and Yu. V. Pisarevsky, Proc.
2000
IEEE/EIA Int. Frequency Control Symp., Kansas City, Missouru, USA, p. 133.