1. Molybdenum Mosaic,J. Molybdenum Metall. Climax Molybdenum, 1974, vol. 1, no. 3, p. 14.
2. ‘X-70, Mo-Nb A new family of HSLA steels, designed for arctic and offshore pipelines’, Climax Molybdenum TR-M 316, 1978, p. 2.
3. J. White:Pipeline Eng., February 1970, p. 30.
4. F. S. Somerville and T. C. Slimmon:Proceedings Conference Materials Eng. in the Arctic, ASM, St. Jovite, Quebec, 1976, p. 143.
5. J.M. E. Wallbridge:Ibid, p. 149.