1. GOST (State Standard) 26148-84: Photometry. Terms and Definitions (1992), Suppl. 1.
2. L. R. Koller, Ultraviolet Radiation (Wiley, New York, 1965).
3. E. E. Anderson, Fundamentals of Solar Energy Conversion (Addison-Wesley, Reading, MA, 1983).
4. I. E. Gamelina and K. A. Samoilova, Mechanism of the Impact of Blood Exposed by Ultraviolet Radiation on Human and Animal Organisms (Nauka, Leningrad, 1986).
5. V. G. Boksha, Handbook on Climatotherapy (Zdorov’e, Kiev, 1989).