1. N. I. Syromyatnikov, Tr. Ural'skogo politekhnicheskogo instituta im. S. M. Kirova, Sb. 53, Metallurgizdat, Sverdlovsk, 1955.
2. T. M. Reed and M. R. Fenske, Ind. Eng. Chem. 47, no. 2, 1955.
3. P. G. Romankov and N. B. Rashkovskaya, Drying in a Fluidized Bed [in Russian], ?Khimiya,? 1964.
4. S. F. Zhigalov, Processes and Equipment in the Sugar-Beet Industry [in Russian], Pishchepromizdat. 1958.
5. V. A. Chlenov and N. V. Mikhailov, DAN SSSR, 154, no. 3, 1964.