1. SNiP 23.05.95 Natural and Artificial Lighting http://www.vashdom.ru/snip/2305-95/
2. http://ledel.ru
3. M. V. Ryzhkov, Svetoterhnika, No. 4, 64 (2010).
4. E. M. Guttsait, A. E. Krasnopol’ckii, V. E. Maslov, et al., in Topical Problems of Electronic Industry (Proc. Int. Sci. Tech. Conf., Saratov, Russia, Sept. 22–23, 2010) (Saratov Gos. Tekh. Univ., Saratov, 2006), p. 326.
5. E. M. Guttsait, Radiotekh. Elektron. (Moscow) 57, 1486 (2007) [J. Commun. Technol. Electron. 57, 1377 (007)].