1. G.E. Dieter, Mechanical Metallurgy, McGraw-Hill, London, 1988, pp. 295–301.
2. Hill’s plastic strain ratio of sheet metals;Liu;Metall. Trans. A,1985
3. W.F. Hosford, R.M. Caddell, Metal Forming-Mechanics and Metallurgy, Prentice Hall, USA, 1993, 270–308.
4. Simple technique for determining forming limit curves;Hecker;Sheet Met. Ind.,1975
5. The effect of lateral drawing-in on stretch formability;Ghosh;Met. Eng. Quart.,1975