T. Sukkarnjanonth, and P. Chongstitvatana. Proc. of 4th National Computer Science and Engineering
Conference (NCSEC 2000), page 81--85. Queen Sirikit National Convention Center, Bangkok,
Thailand, (16-17 November 2000)
A. Homaifar, D. Battle, and E. Tunstel. Computational Intelligence in Robotics and Automation,
CIRA '99. Proceedings. 1999 IEEE International
Symposium on, page 35--40. (8-9 November 1999)