1. M. Gell, D.H. Duhl, and A.F. Giamei: Proc. 4th International Symposium on Superalloys, 1980, p. 205.
2. W. S. Alter, R. A. Parr, M. H. Johnston, and J. P. Strizak: NASA TM Report No. 86464, Aug. 1984.
3. W. T. Chandler: Contract NAS 3-23536 Report, Nov. 1983.
4. T. Khan and P. Caron: Fourth Risø International Symposium on “Metallurgy and Materials Science”, Roskilde, Denmark, Sept. 5-9, 1983.
5. R. M. Latanision and M. Kurkela:Corrosion, 1983, vol. 39, (snno 5) p. 179.