1. Kunogi, M.
, 1956, “A New Method of Cold Extrusion,” J. Sci. Research Inst., Tokyo, 50, pp. 215–246.
2. Male, A. T., and Cockcroft, M. G., 1964–65, “A method for the Determination of the Coefficient of Friction of Metals Under Condition of Bulk Plastic Deformation,” J. Inst. Met., 93, pp. 38–46.
3. Avitzur, B.
, 1964, “Forging of Hollow Disks,” Isr. J. Technol., 9, pp. 295–304.
4. Hawkyard, J. B., and Johnson, W., 1967, “An Analysis of the Changes in Geometry of Short Hollow Cylinder During Axial Compression,” Int. J. Mech. Sci., 9, pp. 163–182.
5. Male, A. T.
, 1966, “Variations in Friction Coefficients of Metals during Compressive Deformation,” J. Inst. Met., 94, pp. 121–125.