1. Development of discrete and continuous spectral measurements of global solar radiation;Burtin,1980
2. Radiometry section of the RMI,1980
3. Radiometry section of the RMI,1980
4. Spectral, energetic and luminous distributions of natural light, chromaticity and luminance;Dogniaux;Lux,1968
5. Spectral irradiance of daylight at Pretoria;Kok;J. Phys. D: Appl. Phys.,1972