1. 1) O. Suzuki, T. Yokochi & T. Yamashina, YUKAGAKU, 30, 863-8 (1981)
2. 2) H. Yamada, S. Shimizu & Y. Shinmen, Agric. Biol. Chem., 51, 785-90 (1987)
3. 3) S. Shimizu & H. Yamada, Comments Agric. Food Chem., 2, 211-35 (1990)
4. 4) H. Yamada, S. Shimizu, Y. Shinmen, K. Akimoto, H. Kawashima & S. Jareonkitmongkol, Industrial Applications of Single Cell Oils, (D. J. Kyle & C. Ratledge eds.), AOCS Press, IL, pp. 118-38 (1992)
5. 5) M. Certik, E. Sakuradani & S. Shimizu, Trends Biotechnol., 16, 500-5 (1998)