1. T. Tabuchi, M. Tanaka, Y. Tahara and M. Abe, Nippon Nögeikagaku Kaishi, 44, 562 (1970).
2. T. Tabuchi and N. Serizawa, Agric. Biol. Chem. 39, 1049 (1975).
3. T. Tabuchi and N. Serizawa, Agric. Biol. Chem. 39, 1055 (1975).
4. T. Tabuchi, H. Aoki, H. Uchiyama and T. Nakahara, Agric. Biol Chem. 45, 2823 (1981).
5. T. Tabuchi and T. Satqh, Agric. Biol. Chem. 40, 1863 (1976).