"The Spectroradiometric measurement of light sources"@en . . . . . . . . . . . . . "The spectroradiometric measurement of light sources" . . . . . . . . . . . . . . "COMMISSION INTERNATIONALE DE L' ECLAIRAGE." . . . "CIE Technical Committee 1.2 Photometry and Radiometry." . . "Commission internationale de l'éclairage." . . . . "Lichtquelle." . . "Beleuchtungstechnik." . . "Spektroskopie." . .