1. C.T. Liu, J.O. Stiegler, Metals Handbook, 10th ed., Vol. 2, ASM, OH, 1990, p. 913.
2. J.L. Smialek, J. Doychak, D.J. Gaydash, in: T. Grobstein, J. Doychak, Oxidation of High-temperature Intermetallics, Minerals, Metals and Materials Society, Warrendale, PA, 1988, p. 97.
3. G.H. Meier, in: T. Grobstein, J. Doychak (Eds.), Oxidation of the High-temperature Intermetallics, Minerals, Metals and Materials Society, Warrendale, PA, 1988, p. 1.
4. Protection of materials by advanced high-temperature coatings;Streif;J. Phys.,1993