Julio Abascal Luis Gardeazabal Nestor Garay-Vitoria Optimisation of the Selection Set Features for Scanning Text Input. 788-795 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3118&spage=788 2004 conf/icchp/2004 ICCHP db/conf/icchp/icchp2004.html#AbascalGG04