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2. C. E. Curtis, L. M. Doney, and J. R. Johnson, Journal of the American Ceramic Society, October 1954, Vol. 37, No. 10, pp. 458–465.
3. “The Thermal Properties of Twenty-Six Solid Materials to 5000°F or Their Destruction Temperatures,” ASD-TDR-62-765, January 1963, p. 164.
4. “The Thermal Properties of Twenty-Six Solid Materials to 5000°F or Their Destruction Temperatures,” ASD-TDR-62-765, January 1963, p. 135.
5. J. I. Pentecost, “Coating Materials and Coating Systems,” High-Temperature Inorganic Coatings, edited by J. Huminik, Jr., Reinhold Publishing Corporation, New York (1963), p. 27.