1. Boer, C. R.; et al.: Process Modelling of Metal Forming and Thermomechanical Treatment. Springer-Verlag, 1986.
2. Corti, C. W.; et al.: Superplastic Isothermal Forging: A Model Metal Flow Study. Journal of Mech. Working Techn., 1, 1977, pp. 35–51.
3. Matsushita, T.; et al.: Superplastic Forging of Ni-Based Superalloy Disk. Journal of JSTP, 27, 1986, pp. 429–434.
4. Yang, C. T.; Thomsen, E. G.: Plastic Flow in a Lead Extrusion. Trans. ASME, 75, 1953, pp. 575–579.
5. Awano, T.; Danno, A.: Model Test in Forging with Analog Materials. Journal of JSTP, 13, 1972, pp. 768–775.