1. Daylighting;Robbins,1986
2. Daylight availability for lighting controls;Littlefair,1984
3. Light shelf performance in Madrid;Soler;Building and Environment,1997
4. Robledo L, Soler, A. Luminous efficacy of direct solar radiation for clear skies, Energy, the International Journal, in press
5. Robledo L, Soler A. Luminous efficacy of direct solar radiation for all skies type, Energy, the International Journal, submitted