1. For example, Asano T, Tanaka Y, Fukutomi M, Jikihara K, Machida J, Maeda H (1988) Jpn. J. Appl. Phys. 27: L1652.
2. Kase J, Togano K, Kumakura H, Deitderich D.R, Irisawa N, Morimoto T, Maeda H (1990) Jpn. J. Appl. Phys. 29: L1096.
3. Togano K, Kumakura H, Dietderich D.R, Maeda H, Kase J, Morimoto T, Ullmann B, Freyhardt H.C (in press) Proc. ICMC’90 990)
4. Kase J, Morimoto T, Togano K, Kumakura H, Dietderich D.R, Maeda H (1991) Proc. 1990 ASC, IEEE Trans. on Magn. (to be published).
5. Kumakura H, Togano K, Dietderich D.R, Maeda H, Kase J, Morimoto T (1991) Proc. 1990 ASC, IEEE Trans. on Magn. (to be published).