Yusuke Nojima Kaname Narukawa Shiori Kaige Hisao Ishibuchi Effects of Removing Overlapping Solutions on the Performance of the NSGA-II Algorithm. 341-354 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3410&spage=341 2005 conf/emo/2005 EMO db/conf/emo/emo2005.html#NojimaNKI05