Maojun Li Shaosheng Fan An Luo A Partheno-genetic Algorithm for Combinatorial Optimization. 224-229 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3316&spage=224 2004 conf/iconip/2004 ICONIP db/conf/iconip/iconip2004.html#LiFL04