1. E. S. Balmuth and R. Schmidt, in Proceedings of the Conference on Aluminum-Lithium Alloys, New York, 1981, edited by T. H. Sanders and E. A. Starke (TMS-AIME, New York, 1981) P. 69.
2. W. T. Tack and L. W. Loechel, in Proceedings of the 5th International Aluminum-Lithium Conference, Williamsburg, March 1989, edited by T. H. Sanders and E. A. Starke, (MCE Publications, 1989) P. 1457.
3. J. R. Pickens, F. H. Heubaum, T. J. Langan and L. S. Kramer, ibid. P. 1397.
4. S. D. Dumolt, PhD dissertation, Carnegie-Mellon University, Pittsburgh, Pennsylvania (1983).
5. A. J. Sunwoo, E. L. Bradley III and J. W. Morris Jr, Met. Trans
21A (1990) 2795.