1. R. S. Mikhal'chenko, A. G. Gerzhin, V. T. Arkhipov, N. P. Pershin, and L. V. Klipach, Inzh.-Fiz. Zh.,14, No. 1 (1968).
2. R. I. Crawford, R. G. Hannah, and C. D. Nevins, J. Spacecr. Rockets,4, No. 12 (1967).
3. Chou and Moy, in: Heat Transfer and Thermal Mode of Space Vehicles [Russian translation], Mir, Moscow (1974).
4. Lin, Raketn. Tekh. Kosmonavt.,11, No. 7 (1973).
5. R. S. Mikhal'chenko, N. P. Persin, E. I. Shchirov, and N. A. Gerasimenko, in: Questions of Hydrodynamics and Heat Transfer in Cryogenic Systems [in Russian], No. 3, FTINT, Akad. Nauk UkrSSR, Khar'kov (1973).