1. N. Shterbachek and P. Tausk,Mixing in the Chemical Industry [Russian translation], Goskhimizdat, Leningrad (1963).
2. Yu. I. Makarov,Equipment for Mixing of Granular Materials [in Russian], Mashinostroenie, Moscow (1973).
3. Yu. I. Makarov and A. I. Zaitsev,New Types of Machinery and Equipment for Processing Granular Materials [in Russian], Moskovskii Institut Khimicheskoe Mashinostroeniya, Moscow (1982).
4. USSR Author's Certificate No. 1186239, MKI 4B 01F 13/00, “A system for mixing granular materials,”Byull. Iskop., No. 39 (1985).
5. USSR Author's Certificate No. 1414436, MKI 4B 01F 3/18, 13/00, “A mixer,”Byull. Iskop., No. 29 (1988).