1. The performance of flat plate solar heat collectors;Hottel;Trans. Am. Soc. Mech. Engrs.,1942
2. Solar energy collector design;Tabor,1958
3. Evaluation of flat plate solar collector performance;Hottel,1958
4. The long-term average performance of flat-plate solar-energy collectors;Liu;Solar Energy,1963
5. Prospects of solar heating in New Zealand;Benseman;New Zealand Engineering,1966