S. Janson, M. Middendorf
A Hierarchical Particle Swarm Optimizer for Noisy and Dynamic Environments
Genetic Programming and Evolvable Machines, 7(4): 329-354, 2006.

M. Bernt, D. Merkle, M. Middendorf
Genome Rearrangement Based on Reversals that Preserve Conserved Intervals
IEEE/ACM Transactions on Computational Biology and Bioinformatics, 3(3): 275-288, 2006.
link

D. Merkle, M. Middendorf, A. Scheidler
Modelling Ant Brood Tending Patterns with Cellular Automata
Journal of Cellular Automata 2(2): 183-194, 2006.
Preliminary version in: Proc. of the Workshop on Modelling of Complex Systems by Cellular Automata 2005 (ICCS 2005), LNCS 3515, pp. 412-419, 2005.

E. Alba, M. Middendorf
The ‘Decent’ Project: Decentralized Metaheuristics
ERCIM News No. 64, 51-51, 2006.