1. F. H. Clark, Metals at High Temperatures, Reinhold Publishing Corporation, New York, 1950.
2. Metals Handbook, Vol. 1, American Society for Metals, Metals Park, Ohio, 1961.
3. Cabot Alloys Data Brochures, Cabot Corporation, Kokomo, Indiana.
4. Huntington Alloys Data Brochures, Huntington Alloys, Inc., Huntington, West Virginia.
5. Report GRI-78/0015;M E Ward,1980