Evolutionary Consequences of Coevolving Targets. - Ludo Pagie; Paulien Hogeweg (Evol. Comput., 1997)

Information integration and red queen dynamics in coevolutionary optimization. - Ludo Pagie; Paulien Hogeweg (CEC, 2000)

Optimization as Side-Effect of Evolving Allelopathic Diversity. - Ludo Pagie; Paulien Hogeweg (PPSN, 2000)

A Comparison of Evolutionary and Coevolutionary Search. - Ludo Pagie; Melanie Mitchell (Int. J. Comput. Intell. Appl., 2002)