1. T. U. Kaup, PhD Dissertation, TH Aachen, 1989.
2. M. C. Flemings, R. G. Riek andK. P. Young,Mater. Sci. Engng 25 (1976) 103.
3. K. Ichikawa andS. Ishizuka,Trans. Jpn Inst. Metals 28 (1987) 145.
4. N. A. El-Mahallawy, N. Fat-Halla andM. A. Taha, in Proceedings of the 4th International Conference on Mechanical Behaviour of Materials, Stockholm, Sweden, 1983, edited by J. Carlsson and N. G. Olson (1983) p. 695.
5. D. Reif,Sprechsaal 120 (1987) 510.