P. Øhrstrøm, H. Schärfe, and T. Ploug. Proceedings of the 18th International Conference on Conceptual Structures (ICCS 2010), volume 6208 of Lecture Notes in Computer Science, page 125-138. Springer, (2010)
H. Beyer, T. Jansen, C. Reeves, and M. Vose. Theory of Evolutionary Algorithms, 04081, Dagstuhl, Germany, Internationales Begegnungs- und Forschungszentrum
(IBFI), Schloss Dagstuhl, Germany, (2004)$<$http://drops.dagstuhl.de/opus/volltexte/2006/498$>$
date of citation: 2006-01-01.