1. T. Altan, Application of CAD/CAM in precision forming, Steel research, Nr. 5/88, VDI-Verlag, Dusseldorf, 1988, pp. 212–219.
2. D. Malgyn, K. Kardos, G.Y. Krallics, 3D Simulation of Square Cup Drawings, Vol. 2, Advanced Technology of Plasticity, Springer, Berlin, 1999, pp. 661–662.
3. K. Lange, Lehrbuch der Umformtechnik, Springer/Verlag, Berlin/Heidelberg, 1993.
4. E. Doege, H. Meyer-Nolkemper, I. Saeed, Fließkurvenatlas metalischer_Werkstoffe, Carl Hanser/Verlag, München/Wien, 1986.
5. I. Dejmal, J. Tirosh, A. Shirzly, The effect of die curvature on the punch drawing force in deep drawing processes, in: Proceedings of the 15th National Conference on Manufacturing Research, Advances in Manufacturing Technology, University of Bath, United Kingdom, 1999, pp. 53–59.