Adam Ghandar Zbigniew Michalewicz Thuy-Duong To Ralf Zurbruegg The performance of an adaptive portfolio management system. 2208-2216 2008 IEEE Congress on Evolutionary Computation http://dx.doi.org/10.1109/CEC.2008.4631092 conf/cec/2008 db/conf/cec/cec2008.html#GhandarMTZ08