1. V. M Antuf'ev, The Effectiveness of Various Forms of Convection Heating Surfaces [in Russian], Energiya (1966).
2. W. Nunner, VDI. Forschungsheft, 455. Ausgabe B. Vol. 22 (1956).
3. B. M. Teverovskii, Izv. Vuzov SSSR, Energetika, No. 7 (1958).
4. A. A. Seleznev, Teploenergetika, No. 7 (1955).
5. F. I. Edwards, Proc. 3rd. Int. Heat Transf. Conf. Chicago, III, Vol. 1 (1966).