1. Optimal control of flow in low temperature solar heat collectors;Kovarik;Solar Energy,1976
2. presented at the 1975 Annual Meeting of ISES;Kovarik,1975
3. Preliminary comparison of proportional and full on-off control systems for solar energy applications;Schlesinger,1977
4. Gauging hydraulic performance for solar hot water systems;Hill;Solar Engng,1978
5. Solar Energy Thermal Processes;Duffie,1974