1. Description of the LBL reduced data base and standard profiles;Grether,1977
2. Circumsolar radiation data for central receiver simulation;Hunt,1977
3. Analysis of solar reflectors—mathematical theory and methodology for simulation of real reflectors;Schrenk,1963
4. The HELIOS Model for the Optical Behavior of Reflecting Solar Concentrators;Biggs;Sandia National Laboratories, Rep. SAND76-0347,1979