Mark E. Roberts Ela Claridge Cooperative Coevolution of Image Feature Construction and Object Detection. 902-911 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3242&spage=902 2004 conf/ppsn/2004 PPSN db/conf/ppsn/ppsn2004.html#RobertsC04