1. Solar Thermal Engineering;Lunde,1980
2. Treative on Solar Energy: Volume 1: Fundamentals of Solar Energy;garg,1982
3. Solar Engineering of Thermal Processes;Duffie,1982
4. Operational experience with solar water heating;Heywood;J. Inst. Heat. Vent. Energy,1971
5. Optimum tilt of solar collector;Lewis;Solar and Wind Energy,1987