A. George, and M. Heywood. GECCO 2006: Proceedings of the 8th annual conference
on Genetic and evolutionary computation, 1, page 939--940. Seattle, Washington, USA, ACM Press, (8-12 July 2006)
R. Cilibrasi, and P. Vitany. Theory of Evolutionary Algorithms, 06061, Dagstuhl, Germany, Internationales Begegnungs- und Forschungszentrum fuer
Informatik (IBFI), Schloss Dagstuhl, Germany, (5-10 February 2006)$<$http://drops.dagstuhl.de/opus/volltexte/2006/598$>$
date of citation: 2006-01-01.