1. ASTM, 1987a. Standard tables for terrestrial direct normal solar spectral irradiance for air-mass 1.5. Standard E891–87, American Society for Testing and Materials, West Conshohocken, PA.
2. ASTM, 1987b. Standard tables for terrestrial solar spectral irradiance for air-mass 1.5 for a 37o tilted surface. Standard E892–87, American Society for Testing and Materials, West Conshohocken, PA.
3. ASTM, 2008. Standard Tables for Reference Solar Spectral Distributions: Direct and Diffuse on 20o Tilted and Vertical Surfaces. Standard G197–08, American Society for Testing and Materials, West Conshohocken, PA.
4. EnergyPlus: Creating a new-generation building energy simulation program;Crawley;Energy Build.,2001
5. Solar Engineering of Thermal Processes;Duffie,2006