1. Reeves, C.R. Using genetic algorithms with small populations, in: Forrest, S. (Ed.), Proc. of 5th International Conference on Genetic Algorithms. Morgan Kaufmann, San Mateo, CA. pp. 92–99, 1993
2. Morimoto, M., Yoshida, S., Yamakawa, H., Yoshikawa, M., Abe, M., Yano, H., Fujiwara, A. In: Trajectoriy Design of Multiple Rendezvous and Sample, Return Mission to NEO Asteroids. Proc. of the 21st Solar System Science Symp., Sagamihara, Japan, ISAS, pp. 64–68, 2000 (in Japanese)
3. Yamakawa, H., Yoshikawa, M., Abe, M., Fujiwara, A., Yano, H. In: Exploration of an Asteroid Family: Flyby and Sample Return Mission to Multiple Mainbelt Asteroids. Proc. of the 22nd International Symposium on Space Technology and Science (ISTS), ISTS 2000-o-3-08v, Morioka, Japan, 2000
4. Yano, H., Kawaguchi, J., Akiyama, H. Minorbody exploration forum, in: Case Studies of Next Generation Primitive Body Exploration Missions. Proc. of the 2nd Space Science Symp., Sagamihara, Japan, ISAS, pp. 335–342, 2002 (in Japanese)
5. Yano, H., Abe, M., Yamakawa, H., Yoshikawa, M., Fujiwara, A. In: The Family Mission: Multiple Fly-bys and Sample Returns to Main Belt Asteroid Families. Asteroids 2001, Abst., Sicily, Italy, 2001