A. Homaifar, D. Battle, и E. Tunstel. Computational Intelligence in Robotics and Automation,
CIRA '99. Proceedings. 1999 IEEE International
Symposium on, стр. 35--40. (8-9 November 1999)
M. Akbarzadeh-T., E. Tunstel, K. Kumbla, и M. Jamshidi. Proceedings of the 1998 IEEE World Congress on
Computational Intelligence, 2, стр. 1200--1205. Anchorage, Alaska, USA, IEEE Press, (5-9 May 1998)