1. C. D. He ruling et al., UCRL-59955, Lawrence Livermore National Laboratory, Livermore, California (1980).
2. K. Efferson et al., ORNL-4150, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1967), p. 126.
3. C. Sullivan and M. J. Donachie, Met. Eng. Q. 1 (1971).
4. D. Muzyka, in: “The Super Alloys,” C. Sims and W. Hagel, eds., John Wiley & Sons, New York (1972), p. 113.
5. A. Sabroff et al., “Forging Materials and Practices,” Reinhold (1968), p. 366.