1. B. Kaftanoğlu and J.M. Alexander (1970) On Quasistatic Axisymmetrical Stretch Forming, International Journal of Mechanical Sciences 12, p. 1065.
2. B. Kaftanoğlu (1978) On the Complete Numerical Solution of the Axisymmetrical Deep-drawing Problem, Proceedings of IUTAM Symposium on Metal Forming Plasticity Tutzing F.R.G., p. 66.
3. H.D. Nine (1978) Drawbead Forces in Sheet Metal Forming, Proceedings of the General Motors Symposium on Mechanics of Sheet Metal Forming, p. 179.
4. J.N. Geckeler (1928) Plastische Knicken der Wandung von Hohlzylindern und einige Andern Faltungserscheinungen, Z. Angewandte Mathematik und Mechanik 8, p. 341.
5. W.M. Baldwin and T.S. Howald (1947) Folding in the Cupping Operation, Transactions of American Society for Metals 38, p. 757.