Anssi Karhinen Juha Kuusela Marco Sandrini Software Architecture Helpdesk. 422-428 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3014&spage=422 2003 conf/pfe/2003 PFE db/conf/pfe/pfe2003.html#KarhinenKS03