Antoni W. Mazurkiewicz Multilateral Ranking Negotiations. 241-258 2004 63 Fundam. Inform. 2-3 http://iospress.metapress.com/openurl.asp?genre=article&issn=0169-2968&volume=63&issue=2&spage=241 db/journals/fuin/fuin63.html#Mazurkiewicz04a