1. A. G. Blokh, Thermal Radiation in Boiler Equipment [in Russian], Energiya, Leningrad (1967).
2. V. A. Krivandin, Luminous Natural-Gas Flames [in Russian], Metallurgiya, Moscow (1973).
3. D. Deirmendzhan, Scattering of Electromagnetic Radiation by Spherical Polydisperse Particles [Russian translation], Mir, Moscow (1971).
4. Yu. A. Zhuravlev, ?Determining the characteristics of radiant heat transfer in multizone systems, taking account of isotropic scattering,? Inzh.-Fiz. Zh.,31, No. 3, 463?470 (1976).
5. Thermal Design of Boiler Apparatus (Normative Method) [in Russian], Energiya, Moscow (1973).