@techreport{BAOW032010,
            author = {B. Rakitsch, A. Bernauer, O. Bringmann, W. Rosenstiel},
            title = {Pruning population size in XCS for complex problems },
            institution = {Wilhelm-Schickard-Institut},
            year = {2010},
            month = {03},
            number = {WS-2010-02},
            type = {Technical Report},
            address = {Sand 13, 72076 Tübingen, Germany}
}