Magnus Lie Hetland Pål Sætrom The Role of Discretization Parameters in Sequence Rule Evolution. 518-525 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2773&spage=518 2003 conf/kes/2003-1 KES db/conf/kes/kes2003-1.html#HetlandS03