1. A. T. Luchshev and V. V. Meshcheryakov, in: Machinery and Oil Field Equipment, No. 6 [in Russian], TsNIITÉneftegaz, Moscow (1963).
2. L. Riesen, Abrasive Wear on Catalytic Crackers, Parts 1–4 [Russian translation], GOSINTI, Moscow (1958).
3. A. E. Smoldyrev, Hydraulic and Pneumatic Conveying at Coal Plants [in Russian], Ugletekhizdat, Moscow (1956).
4. V. A. Uspenskii, Pneumatic Conveying [in Russian], Metallurgizdat, Moscow (1959).