Mario Ruthmair, Andreas Hubmer, Günther R. Raidl. Using a Solution Archive to Enhance Metaheuristics for the Rooted Delay-Constrained Minimum Spanning Tree Problem. Extended Abstracts of EUROCAST 2011 – 13th International Conference on Computer Aided Systems Theory (Alexis Quesada-Arencibia and others), pages 285-287, 2011.