1. F. L. Versnyder and M. E. Shank:Mater. Sci. Eng., 1970, vol. 6, p. 213.
2. J. C. Freche and G. M. Ault:Proceedings 3rd International Symposium on Superalloys, pp. 297–319, Claitors Publishing Division, Baton Rouge, Loui- siana, U.S.A., 1976.
3. P. M. Curran, L. F. Schulmeister, J. S. Erickson, and A. F. Giamei:Conference on In-Situ Composites-II, p. 285, Xerox Corp., Lexington, Massachusetts, 1976.
4. R. H. Barkalow, J. J. Jackson, M. Gell, and G. R. Leverent: Ibid. Conference on In-Situ Composites-IIXerox Corp., Lexington, Massachusetts, 1976, p. 549.
5. K. D. Sheffler, R. M. Barkalow, and A. Yuen: Ibid.Conference on In-Situ Composites-IIXerox Corp., Lexington, Massachusetts, 1976, pp. 353–63.