1. Birringer, R., Herr, U. & Gleiter, H. Trans. Jap. Inst. Metall. Suppl. 27, 43–45 (1986).
2. Karch, J., Birringer, R. & Gleiter, H. Nature 330, 556–558 (1987).
3. Siegel, R. W. & Eastman, J. A. in Multicomponent Ultrafine Microstructures, MRS Symp. Proc. Vol. 132, 3–14 (1988).
4. Xu, Q. & Anderson, M. A. in Multicomponent Ultrafine Microstructures, MRS Symp. Proc. Vol. 132, 41–46 (1988).
5. Siegel, R. W. in Superplasticity in Metals, Ceramics, and Interrnetallics, MRS Symp. Proc. Vol. 196, 59–70 (1990).