Bartz-Beielstein, ThomasParsopoulos, K. E.Vegt, M. deVrahatis, M. N.2004-12-072004-12-0720042004-07-13http://hdl.handle.net/2003/546910.17877/DE290R-5432enUniversität Dortmund004Designing particle swarm optimization with regression treesreport