1. Duffie J. A. and Beckman W. A., Solar Energy Thermal Processes, New York, 1974; Moscow: Mir, 1977.
2. Avezov, R.R. and Orlov, A.Yu., Solnechnye sistemy otopleniya i goryachego vodosnabzheniya (Solar Systems for Heating and Hot—Water Supply), Tashkent: Fan, 1988.
3. Frid, S.E., The Thermal Testing Procedure of the Solar Collectors, Preprint of Joint Institute for High Temperatures of Russian Academy of Sciences (JIHT RAS), Moscow, 1998, no. 3–248.
4. Duffie, J.A. and Beckman, W.A., Solar Engineering of Thermal Processes, New York: Wiley, 1991.
5. Ashrae Standard no. 93-77, New York: American Soc. of Heating, Refrigerating and Air Conditioning Engineering, 1977.