Jonathan Aldrich Vibha Sazawal Craig Chambers David Notkin Language Support for Connector Abstractions. 74-102 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2743&spage=74 2003 conf/ecoop/2003 ECOOP db/conf/ecoop/ecoop2003.html#AldrichSCN03