1. Prospects and limitation of solar energy in the developing countries;Saif;J. Solar Energy,1967
2. Solar energy as a major energy resource;Morse,1973
3. A commercial solar cell array design;Ralph;Solar Energy,1973
4. Use of solar energy for mechanical power and electricity by means of piston engines and turbines;Tabor,1961
5. A simple reaction turbine as a solar engine;Hsu;Solar Energy,1958