1. High Field Magnetism;Menovsky,1983
2. Y. Ōnuki, S.W. Yun, I. Ukon, I. Umehara, K. Satoh, I. Sakamoto, M. Hunt, P. Meeson, P-A. Probst and M. Springford, J. Phys. Soc. Jpn. (submitted).
3. Y. Ōnuki, I. Ukon, S.W. Yun, I. Umehara, K. Satoh, S. Takayanagi and I. Sato, J. Phys. Soc. Jpn. (to be published).
4. S. Sato, private communication.