1. J. S. Benjamin: U.S. Patent No. 3,591,362, July 1971.
2. J. S. Benjamin:Metall. Trans., 1970, vol. 1, pp. 2943–51.
3. J. S. Benjamin:Scientific American, 1976, vol. 234, No. 5, pp. 40–48.
4. L. R. Curwick: inFrontiers of High Temperature Materials Conf., J. S. Benjamin, ed., IncoMAP, New York, NY, May 1981, pp. 3–10.
5. P. S. Gilmanand J. S. Benjamin:Ann. Rev. Mate. Sci., 1983, vol. 13, pp. 279–300.