1. M.K. Soleiman: Ph.D. Thesis, University of Washington, 1986, 391 pp.
2. A. Landsberg:Metall. Trans. B, 1975, vol. 6B, pp. 207–14.
3. TMS Paper No. A 77-37;H.P. Alder,1977
4. A. Landsberg, C.L. Hoaston, and F.E. Block:Metall. Trans., 1972, vol. 3, pp. 517–23.
5. D.J. Milne: Ph.D. Thesis, University of Newcastle, Australia, 1974, pp. 149–50.