1. Nuclear Reactors [Russian translation]. Proceedings of the United States Atomic Energy Commission. Vol. 1. Izd-vo inostr, lit., (1956) p. 200.
2. C. W. Tittle, Nucleonics,9, No. 1, 60 (1951).
3. D. J. Hughes, Neutron Investigations in Nuclear Boilers [Russian translation] Moscow., Izd-vo inostr. lit. (1954) p. 282.
4. R. Stephenson, Introduction to Nuclear Engineering [Russian translation]. Moscow, Fizmatgiz (1959) p. 256.
5. A. K. Krasin et al., Physics Research [in Russian]. Moscow, Izd-vo AN SSSR, (1955) p. 142. (Reports of Soviet Scientists at the International Conference on the Peaceful Uses of Atomic Energy. Geneva, 1955).