1. N. N. Bab'ev, Candidate's Dissertation, Moscow Technological Institute of the Food Industry (1954).
2. Kh. B. Baidzhanov, Author's Abstract of Candidate's Dissertation, Gor'kii Kiev State Pedagogic Institute (1967).
3. M. I. Verba, V. S. Isaev, and B. I. Leonchik, Izvestiya Vuz. Énergetika, No. 4 (1959).
4. A. S. Ginzburg, Drying of Food Products [in Russian], Pishchepromizdat (1960).
5. N. E. Gorobtsova, Inzhen.-Fiz. Zh.,15, No. 2 (1968).