1. D. D. Kalafati and V. V. Popalov, Optimization of Heat Exchangers by Heat Transfer Efficiency (Energoatomizdat, Moscow, 1986) [in Russian].
2. A. E. Pnyar and V. B. Kuntysh, “Optimization of flow speeds in gas–gas heat exchangers,” Energomashinostroenie, No. 4, 15–16 (1976).
3. Termo Severnyi Potok, Ltd. – Production of Heat Transfer Equipment. Official Website. https://recuperator-termo.ru/.
4. O. E. Prun, A. B. Garyaev, and I. V. Synkov, “Exhaust gas heat utilization employment of water-cooled gas pipes,” Vestn. Mosk. Energ. Inst., No. 3, 44–50 (2018). https://doi.org/10.24160/1993-6982-2018-3-44-50
5. D. Thompson and B. Goldstick, “Condensation heat recovery application for industrial buildings,” Energic Eng. 81 (2), 27–58 (1984).