P. Bael, D. Devogelaere, und M. Rijckaert. Proceedings of the Genetic and Evolutionary
Computation Conference, 1, Seite 665--669. Orlando, Florida, USA, Morgan Kaufmann, (13-17 July 1999)
J. Aguilar, und P. Miranda. Proceedings of the Genetic and Evolutionary
Computation Conference, 1, Seite 3--10. Orlando, Florida, USA, Morgan Kaufmann, (13-17 July 1999)
F. Radicchi, D. Vilone, und H. Meyer-ortmanns. Abstract Book of the XXIII IUPAP International Conference on Statistical Physics, Genova, Italy, (9-13 July 2007)