\input zb-basic \input zb-ioport \iteman{io-port 70856485} \itemau{Branke, J\"urgen; Decker, Michael; Merkle, Daniel; Schmeck, Hartmut} \itemti{Coevolutionary ant algorithms playing games} \itemso{Ant Algorithms, 298-299 (2002).} \itemcc{} \itemut{} \itemli{doi:10.1007/3-540-45724-0\_34} \end