1. R.W. Lund and W.D. Nix:Acta Metall., 1976, vol. 24, p. 469.
2. J.D. Whittenberger:Metall. Trans. A, 1984, vol. 15A, pp. 1753–62.
3. A.H. Clauer and N. Hansen:Acta Metall., 1984, vol. 32, p. 269.
4. E. Arzt:New Materials by Mechanical Alloying Techniques, Poc. Deutsche Gesellschaft für Metallkunde Conf., E. Arzt and L. Schultz, eds., DGM Informationsgesellschaft, Oberursel, Federal Republic of Germany, 1989, p. 185; also see Refs. 34 and 35.
5. J.S. Benjamin:Metall. Trans., 1970, vol. 1, pp. 2943–51.