Hannu Peltola Jorma Tarhio Alternative Algorithms for Bit-Parallel String Matching. 80-94 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2857&spage=80 2003 conf/spire/2003 SPIRE db/conf/spire/spire2003.html#PeltolaT03