1. P. G. Kovadlo, A. A. Lubkov, A. N. Bevzov, et al., “Automation System for the Large Solar Vacuum Telescope,” Avtometriya 52 (2), 97–106 (2016) [Optoelectron., Instrum. Data Process. 52 (2), 187–195 (2016)].
2. Hubble Space Telescope. https://en.wikipedia.org/wiki/Hubble Space Telescope.
3. McMath-Pierce Solar Telescope. https://en.wikipedia.org/wiki/McMath%E2%80%93Pierce solar telescope.
4. Low-Cost Solar Adaptive Optics. https://web.archive.org/web/20160221131712, http://www.noao.edu/noao/staff/keller/irao.
5. The GST (Goode Solar Telecope). BBSO Big Bear Solar Observatory. http://www.bbso.njit.edu.