1. The Performance of Flat Plate Solar Heat Collectors;Hottel;Trans. ASME,1942
2. Reprinted Trans. Int. Conf. Solar Energy, 2, Part I. Section A, pp. 1–23.
3. General Survey of Engineering Interest in Solar Radiation and the Radiation Data Required by Engineers;Tabor,1961
4. Stationary Mirror Systems for Solar Collectors;Tabor;Solar Energy,1958