Method of measuring and specifying the UV-radiation of ultraviolet lamps used for sun-tanning (IEC 61228:1993/A1:1996); German version EN 61228:1994/A1:1996— 3 стр.
Method of measuring and specifying the UV-radiation of ultraviolet lamps used for sun-tanning (IEC 61228:1993/A1:1996); German version EN 61228:1994/A1:1996— 3 стр.
Optical radiation physics and illuminating engineering - Part 11: Radiometer for measuring actinic radiant quantities - Terms, characteristics and their classification— 68 стр.