1. ; The School of Materials Science; Japan Advanced Institute of Science and Technology; Ishikawa 923-12 Japan
2. Sugiyo Company Ltd.; 11-2-2 Ingai Fuchu-machi, Nanaoshi Ishikawa 926 Japan
3. Procter & Gamble Asia; Kobe Technical Center; Kobe 658 Japan
4. Analytical/Technology Department; Procter & Gamble Far East, Inc.; 17, Koyo-cho Naka 1-chome, Higashinada-ku Kobe 658 Japan