1. V. A. Petrov, Emissivity of High-Temperature Materials (Nauka, Moscow, 1969) [in Russian].
2. Therimophysical Properties of High Temperature Solid Materials, Ed. by Y. C. Touloukian (MacMillan C., New York, 1967), Vol. 4.
3. Emissive Properties of Solid Materials: Handbook, Ed. by A. E. Sheĭndlin (Énergiya, Moscow, 1974) [in Russian].
4. L. A. Novitskiĭ and B. M. Stepanov, Optical Properties of Materials at Low Temperatures: Handbook (Mashinostroenie, Moscow, 1980) [in Russian].
5. T. R. Garrison, Radiation Pyrometry and Its Underlying Principles of Radiant Heat Transfer (Wiley, New York, 1960; Mir, Moscow, 1964).