Electronic Communications of the EASST Volume 26 (2010) Manipulation of Graphs, Algebras and Pictures Essays Dedicated to Hans-J ¨ org Kreowski on the Occasion of His 60th Birthday Autonomous Units for Solving the Capacitated Vehicle Routing Problem Based on Ant Colony Optimization Sabine Kuske, Melanie Luderer 23 pages Guest Editors: Frank Drewes, Annegret Habel, Berthold Hoffmann, Detlef Plump Managing Editors: Tiziana Margaria, Julia Padberg, Gabriele Taentzer ECEASST Home Page: http://www.easst.org/eceasst/ ISSN 1863-2122