Jörg Dorsch Anders Ek Reinhard Gotzhein SPT - The SDL Pattern Tool. 50-64 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3319&spage=50 2004 conf/sam/2004 SAM db/conf/sam/sam2004.html#DorschEG04