1. J.S. Kalpak, in: J.A.M. Schey (Ed.), Forging Lubrication in Metal Deformation Processes: Friction and Lubrication, Dekker, New York, 1970.
2. The effect of deformation speed on friction and lubrication in cold forging;Osakada;Bull. JSME,1970
3. An analysis of non-Newtonian hydrodynamic lubrication in the plain-strain forging process;Kumar;Wear,1981
4. An isothermal hydrodynamic lubrication theory for hydrostatic extrusion and drawing process with conical dies;Wilson;J. Lubrication Technol. Trans. ASME Ser. F,1971
5. U. Chandra, S. Kumar, T.V. Balasubramanian, Non-Newtonian hydrodynamic lubrication analysis of strip drawing process, in: Proceedings of the Fourth International Conference on Precision Engineering, Tokyo, 1980, p. 134.