1. Solar Air Heaters and Their Applications in Solar Energy Engineering;Seluck,1977
2. Solar Air Heating Systems in Solar Energy Conversion;Lof,1979
3. Solar Engineering Thermal Process;Duffie,1980
4. Solar Air Heaters, Review of Renewable Energy Sources;Bansal,1983
5. Some aspects of flow duct design of solar air heating applications;Charters;Solar Energy,1971