1. A. K. Ghosh, S. S. Hecker and S. P. Keeler, inWorkability Testing Techniques (ed., G.E. Dieter), p. 125, ASM, Metals Parks, OH (1984).
2. LDH Committee/NADDRG:Final report of the LDH Committee, May (1990).
3. Y. S. Suh and R. H. Wagoner,Computer Application in Shaping & Forming of Materials (ed., M. Y. Demeri), p. 221, TMS (1993).
4. Y. S. Suh and R. H. Wagoner,JMEPEG 5, 489 (1996)
5. F. I. Saunders and R. H. Wagoner,Computer Application in Shaping & Forming of Materials (ed., M.Y. Demeri), p. 205, TMS (1993).