1. J. H. Perepezko: Science, 2009, vol. 20, pp. 1068-69.
2. M. Heilmaier, M. Kruger, H. Saage, J. Rosler, D. Mukherji, U. Glatzel, R. Volkl, R. Huttner, G. Eggeler, Ch. Somsen, T. Depka, H. –J. Christ, B. Gorr, and S. Burk: J. Metals, 2009, vol. 67, pp. 61-67.
3. E. W. Lee, J. Cook, A. Khan, R. Mahapatra, and J. Waldman: J. Metals, 1991, vol. 43, pp. 54-57.
4. J. Cook, A. Khan, E. W. Lee, and R. Mahapatra: Mater. Sci. Eng. A, 1992, vol. 155, pp. 183-98.
5. P. J. Meschter: Metall. Trans. A, 1992, vol. 23A, pp. 1763-72.