Franco Barbanera Michele Bugliesi Mariangiola Dezani-Ciancaglini Vladimiro Sassone A Calculus of Bounded Capacities. 205-223 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2896&spage=205 2003 conf/asian/2003 ASIAN db/conf/asian/asian2003.html#BarbaneraBDS03