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2. J.A. Duffie and W.A. Beckman, “Solar Energy Thermal Processes,” John Wiley and Sons, New York, 1974.
3. M. Telkes, ASHRAE J., 38 (1974).
4. T.A. Chubb, Solar Energy, 17, 129 (1975).
5. W.H.F. Sasse, in “Solar Power and Fuels,” J.R. Bolton, Ed., New York, 1977.