1. S. Chiba, “Handbook of Amylases and Related Enzymes,” ed. By the Amylase Research Society of Japan, Pergamon Press, Oxford 1988, pp. 104–116.
2. S. Chiba, “Seibutsu Kagaku Jikkenho,” Vol. 25, by ed. M. Nakamura and K. Kainuma, Gakkai Shuppan Senta, Tokyo, 1989, pp. 24–31.