1. C. Harrington and A. Ruele, Technology of Uranium Manufacture [Russian translation], Gosatomizdat, Moscow (1961), p. 108.
2. Chemistry and Technology of Uranium Fluorides (N. P. Galkin editor) [in Russian], Atomizdat, Moscow (1961), p. 226.
3. Ya. M. Sterlin, Metallurgy of Uranium [in Russian], Gosatomizdat, Moscow (1962), p. 402.
4. Technology of Uranium (N. P. Galkin and B. N. Sudarikov, editors) [in Russian], Atomizdat, Moscow (1964), p. 327.
5. N. B. Sudarikov and E. G. Rakov, Processes and Equipment of Uranium Manufacture [in Russian], Mashinostroenie, Moscow (1969), p. 164.