1. I. LeMay, M. R. Krishnadev, and A. Galibois:Oil Gas J., 1974, vol. 72, no. 50, p. 48.
2. J. L. Mihelich and J. H. Smith:Source Book on Materials Selection, Russel B. Gunia, ed., vol. 1, p. 22, ASM Metals Park, OH 1977.
3. Y. E. Smith, A. P. Coldren, and R. L. Cryderman:Toward Improved Ductility and Toughness, p. 119, Climax Molybdenum Development Co. (Japan) Ltd. 1972.
4. J. L. Mihelich:Materials Engineering in the Arctic, M. B. Ives, ed., p. 175, ASM, Metals Park, OH, 1977.
5. A. P. Coldren, Y. E. Smith, and R. L. Cryderman:Processing and Properties of Low Carbon Steel, J. M. Gray, ed., p. 163, AIME, NY, 1973.