1. E. Bernhardt, Processing of Thermoplastic Materials [Russian translation], Goskhimizdat, 1962.
2. Collection: Extrusion of Thermoplastics, ed. A. N. Levin, [Russian translation], IL, 1963.
3. W. K. Wilkinson, Non-Newtonian Fluids [Russian translation], Izd. ?Mir,? 1964.
4. N. A. Slezkin, Dynamics of a Viscous Incompressible Liquid [in Russian], GITTL, 1955.
5. L. M. Kachanov, Mechanics of Plastic Media [in Russian], Gostekhizdat, 1948.