1. S.L. Semiatin, ASM Metals Handbook: Volume Forming and Forging, vol. 14, International Handbook Committee, 1988, pp. 575–592.
2. E. Dieter George, Mechanical Metallurgy, vol. 4, McGraw Hill Book Company, London, 1981.
3. The importance of directionality in drawing quality sheet steel;Whiteley;Trans. ASM,1960
4. Understanding sheet metal formability;Keeler;National Steel Corporation, USA,1968
5. Prediction of the limiting drawing ratio and the maximum drawing load in the cup drawing;Leu;Int. J. Mech. Sci.,1997