1. Fourier series representation of the position of the Sun;Spencer;Search,1971
2. Radiative Processes in Meteorology and Climatology;Partridge,1976
3. Cahiers AFEDES;Perrin de Brichambaut Chr,1975
4. The absorption of solar radiation in solar stills;Cooper;Solar Energy,1969
5. Solar Engineering of Thermal Processes;Duffie,1980