1. A. I. Kirillov, V. F. Morskov, and N. D. Ustinov, Laser Radiation Dosimetry, Ed. by N.D. Ustinov (Radio i svyaz’, Moscow, 1983) [in Russian].
2. Guide on Laser Emitters in the Context of Flight Safety. http://www.gsga.ru/favt_new/sites/default/files/ICAO_doc9815_0.pdf.
3. Sanitary Rules and Regulations in the Design and Use of Lasers no. 5804-91 (Inf.-izd. Tsentr Goskomsanepidemnadzora, Moscow, 1993) [in Russian].
4. Laser Institute of America, American National Standard for Safe Use of Lasers. https://www.lia.org/PDF/Z136_1_s.pdf.
5. International Electrotechnical Commission IEC 60825-1, Safety of Laser Products, Part 1; Equipment Classification, Requirements, and User Guide. http://www.ee.washington.edu/faculty/darling/ee436s15/IEC_60825_1.pdf