Steven Orla Kimbrough Ming Lu David Harlan Wood Exploring the Evolutionary Details of a Feasible-Infeasible Two-Population GA. 292-301 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3242&spage=292 2004 conf/ppsn/2004 PPSN db/conf/ppsn/ppsn2004.html#KimbroughLW04