1. P.R. Bhowal, E.F. Wright, and E.L. Raymond: Metall. Trans. A, 1990, vol. 21A, pp. 1709–17.
2. Jian Mao, V.L. Keefer, Keh-Minn Chang, and David Furrer: J. Mater. Eng. Performance, 2000, vol. 9 (2), pp. 204–14.
3. R.A. Wallis: Adv. Mater. Processes, 1995, Sept., pp. 42kk–42NN.
4. R.A. Wallis and P.R. Bhowal: Superalloys 1988, D.N. Duhl, G. Maurer, and S. Antolovich, eds., TMS-AIME, Warrendale, PA, pp. 525–34.
5. Dwaine L. Klarstrom: Adv. Mater. Processes, 1996, vol. 4, pp. 40EE-40HH.