1. O. G. Martynenko and Yu. A. Sokovishin, Free-Convective Heat Transfer (Handbook) [in Russian], Minsk (1982).
2. S. W. Churchill and H. J. Thelen, Chem. Ing. Tech.,47, No. 10, 453 (1975).
3. T. H. Kuehn and R. J. Goldshtein, IJHMT,19, No. 10, 1127?1134 (1976).
4. S. Skagi, Trans. Jpn. Soc. Mech. Eng.,30, No. 213, 624?635 (1967).
5. I. M. Mikheeva, Heat Transfer and Thermal Simulation [in Russian], Moscow (1959), pp. 226?238.