1. C. B. Coutinho, D. K. Matlock, and W. L. Bradley:Mater. Sei. Eng., 1975, vol. 21, pp. 239–47.
2. D. K. Matlock and W. L. Bradley: Conference Proceedings, Second Int. Conf. on Mech. Behavior of Mat., pp. 502–06, Boston, 1976.
3. J. L. Kirk: M.S. Thesis, T-1941, Colorado School of Mines, 1977.
4. C. B. Coutinho: Ph.D. Dissertation, T-1590, Colorado School of Mines, 1973.
5. S. W. Nam: Ph.D. Dissertation, T-1682, Colorado School of Mines, 1974.