J. Smith, III, und T. Nguyen. Intelligent Data Engineering and Automated Learning
IDEAL 2006, Volume 4224 von Lecture Notes in Computer Science, Seite 1337--1345. Burgos, Spain, Springer, (September 2006)Special Session on Nature-Inspired Date Technologies.
A. Homaifar, D. Battle, und E. Tunstel. Computational Intelligence in Robotics and Automation,
CIRA '99. Proceedings. 1999 IEEE International
Symposium on, Seite 35--40. (8-9 November 1999)