1. T. W. Brower, J. W. Bain, and B. M. Larsen:Trans. AIME, 1950, vol. 188, pp. 851–61.
2. W. Wilson:Trans. Vacuum Met. Conf., R. Bunshaw, ed., p. 235, Interscience, 1960.
3. M. Kenney:J. Metals, 1968, vol. 20, pp. 88–95.
4. J. Cedaille, P. Etienne, E. Lepicard, and J. Duflot:Rev. Met., 1961, vol. 58, pp. 257–66.
5. P. Rocquet:Rev. Met., 1972, vol. 69, pp. 459–73.