1. F. Heusler,Verhandl. Dent. Physik. Ges., 5,219 (1903).
2. D.P. Oxley, R.S. Tebble, and K.C. Williams,J. Appl. Phys., 34,1362 (1963).
3. P.J. Grundy and M. Ohkoshi,Proc. 4th Int. Conf. Physics of Magnetic Materials, Szczyrk-Bila, Poland, W. Gorzkowski, H.K. Lachowicz, and H. Szymczak, Ed., World Scientific, 195 (1988).
4. A. Continenza, T.M. De Pascale, F. Meloni, and M. Serra,9th Int. Conf. Ternary and Multinary Compounds, ICTMC-9, Yokahama, Japan, Vol. 32–3,240 (1993).
5. I. Jung, M. Rudy, and G. Sauthoff,High-Temperature Ordered In- termetallic Alloys II, Boston, MA, N.S. Stoloff. C.C. Koch, C.T. Liu, and O. Izumi, Ed., Materials Research Society, Pittsburgh, PA, 263 (1986).