1. G. Y. Chin andJ. H. Wernick, in ?Ferromagnetic Materials?, Vol. 2, edited by E. P. Wohlfarth (North-Holland, Amsterdam, 1980) p. 123.
2. F. E. Luborsky, J. D. Livingston andG. Y. Chin, in ?Physical Metallurgy?, Part 2, edited by R. W. Cahn and P. Haasen (North-Holland, Amsterdam, 1983) p. 1705.
3. F. Pfeifer andC. Radeloff,J. Magn. Magn. Mater. 19 (1980) 190.
4. S. Preston andG. W. Johnson,J. Mater. Sci. 19 (1984) 4099.
5. M. Stefán, G. Hatta andP. Arató,J. Magn. Magn. Mater. 19 (1980) 208.