1. Solar thermal power system based on optical transmission;Vant-Hull;Solar Energy,1976
2. Four different views of the heliostat flux density integral;Lipps;Solar Energy,1976
3. An analytic integration of the solar flux density due to rectangular mirrors;Lipps,1974
4. Solar power density calculations using two dimensional hermite polynomials;Walzel,1976
5. Mathematical Methods of Statistics;Cramer,1946