1. W. H. Couts, Jr.:The Superalloys, C. T. Sims and W. C. Hagel, eds., pp. 451–78, John Wiley and Sons, 1972.
2. A. Coles, R. E. Johnson, and H. G. Popp:Utility of Surface-Flaw Tensile Bars in Rotor Life Prediction, paper to be presented at ASME Winter Meeting, New York, December 1974.
3. H. Conrad:Mechanical Behavior of Materials at Elevated Temperatures, J. E. Dorn, ed., pp. 219–69, McGraw-Hill Book Company, Inc., New York, 1961.