1. Standard test method for solar absorptance reflectance, transmittance of materials using integrating spheres,1993
2. Standard tables for terrestrial direct normal solar spectral irradiance for air mass 1.5,1993
3. Operating light- and water-exposure apparatus (fluorescent UV-condensation type) for exposure of non-metallic materials,1995
4. Performance history and future costs of parabolic trough solar electric systems;Cohen,1999
5. Development and test of an end reflector for parabolic trough collectors;Fend,1999