1. Blazynski, T. Z. Metal Forming: Tool Profiles and Flow, 1976, Macmillan, London.
2. Blazynski, T. Z. and Rahman, M. H. Proceedings Conference on Developments in the Drawing of Metals, 1983. The Metals Society, London, p. 141.
3. Blazynski, T. Z. and Jubb, C. J. Inst. Met., 97 (1969), 363.
4. Avitzur, B. Study of Flow through Conical Converging Dies, 1970, University of Lehigh, USA.
5. Osakada, K., Limb, M. and Mellor, P. B. Int. J. Mech. Sei., 15 (1973), 291.