We are proude to announce that an article written by members of the HeuristicLab team has been published in Springer's journal Genetic Programming and Evolvable Machines (GPEM). The paper "Using enhanced genetic programming techniques for evolving classifiers in the context of medical diagnosis" by Stephan Winkler, Michael Affenzeller, and Stefan Wagner has appeared in GPEM, Vol. 10, No. 2 (June 2009), pp. 111-140; this article can be retrieved online via Springer's online portal.