1) T. Kumagai and S. Mizuta, Ind. Eng. Chem. Process Des. Dev., 24, 795 (1985).
2) T. Kumagai, Y. Shindo, and S. Mizuta, Denki Kagaku, 52, 839 (1984).
3) T. Kumagai and S. Mizuta, Proc. 1985 Fall Meeting of the Electrochemical Society of Japan, Yokohama, October 1985, B-211.
4) S. Shimizu, K. Onuki, H. Nakajima, Y. Ikezoe, and S. Sato, 47th National Meeting of the Chemical Society of Japan, Tokyo, April 1984, Abstr. No. 1L28.