1. [1] S. Kawai and R. Ueda, J. Electrochem.Soc., "Magnetic properties of anodic oxide coatings on aluminum containing electrodeposited Co and Co-Ni "Vol.122, 1, pp.32-36, Jan.1985.
2. [2] M. Shiraki, Y. Wakui, T. Tokushima and N. Tsuya, IEEE Trans.Mag., "perpendicularmagnetic media by anodic oxidation method and their recording characteristics" Vol.21, 5, pp.1465-1467, Sep.1985.
3. [3] N. Tsuya, T. Tokushima, M. Shiraki, Y. Wakui, Y. Saito, H. Nakamura, S. Hayano, A. Furugori and M. Tanaka, IEEE Trans., Mag."Preparation and magnetic properties of anodic oxide magnetic films" Vol.22, 5, pp.1140-1145, Sep.1936.
4. [4] N. Tsuya, T. Tokushima, M. Shiraki, Y. Umehara, Y. Saito, H. Nakamura and Y. Harada, IEEE Trans., Mag. "Perpendicularmagnetic disc by anodic oxidation" Vol.24, 2, pp.1790-1792, Mar.1988.
5. [5] K.I. Arai, Y. Ohoka, Y. Wakui, Trans. IEICE, part c, "Preparation and magnetic properties of anodic oxide magnetic films" Vol.J71-C, 7, pp.994-1000, July 1988.