1. H.L. Gegel, J.C. Malas, Y.V.R.K. Prasad, S.M. Doraivelu, D.R. Barker, J.T. Morgan, K.R. Lark, US Patent No. 4,617,817 (1986).
2. G.E. Dieter, in: Metals Handbook, vol. 14, ASM, Metals Park, OH, 1988, p. 367.
3. Modelling of hot deformation for microstructural control
4. Strength and structure under hot-working conditions
5. H.L. Gegel, J.C. Malas, S.M. Doraivelu, V.A. Shende, in: Metals Handbook, vol. 14, ASM, Metals Park, OH, 1988, p. 417.