Mukund Sundararajan Michael Brudno Kerrin Small Arend Sidow Serafim Batzoglou Chaining Algorithms for Alignment of Draft Sequence. 326-337 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3240&spage=326 2004 conf/wabi/2004 WABI db/conf/wabi/wabi2004.html#SundararajanBSSB04