Agata Ciabattoni George Metcalfe Bounded Lukasiewicz Logics. 32-47 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2796&spage=32 2003 conf/tableaux/2003 TABLEAUX db/conf/tableaux/tableaux2003.html#CiabattoniM03