[1] Clark, A. E., Proc. 19th Conf. on Magnetism and Magnetic Materials, AIP Conf. Proc., № 18, 1974. p. 1015. [2] Clark, A. E. and Belson, H. S., Phys. Rev., BS (1972) , 3642; AIP Cord. Proc., № 5 1972, 1498. [3] Clark, A. E. and Belson, H. S., IEEE Trans. Magn., Mag-8 (1972) , 477. [4] Heiman, N. Lee, K. and Potter, M. I., Phys. Lett., 55A (1975) , № 5, 297; AIP Conf. Proc., № 29 (1975) , 130. [5] Buschow, K. H. J. and van Stapele, R. P., J. Phys. (Paris), 32 Suppl. (1971) , Cl-668; Buschow, K. H. J., Rep. Prog. Phys., 40 (1977) , 1179. [6] Dwight, A. E. and Kimball, C. W., Acta Cryst., 30B (1974) , 2791.- |