@incollection{
year={2008},
isbn={978-3-540-87526-0},
booktitle={Ant Colony Optimization and Swarm Intelligence},
volume={5217},
series={Lecture Notes in Computer Science},
editor={Dorigo, Marco and Birattari, Mauro and Blum, Christian and Clerc, Maurice and Stützle, Thomas and Winfield, AlanF.T.},
doi={10.1007/978-3-540-87527-7_37},
title={Merging Groups for the Exploration of Complex State Spaces in the CPSO Approach},
url={http://dx.doi.org/10.1007/978-3-540-87527-7_37},
publisher={Springer Berlin Heidelberg},
author={Thiem, Stefanie and Lässig, Jörg and Köchel, Peter},
pages={355-362}
}