Peter R. King Marc Nanard Jocelyne Nanard Gustavo Rossi A Structural Computing Model for Dynamic Service-Based Systems. 100-118 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3002&spage=100 2003 conf/metainformatics/2003 Metainformatics db/conf/metainformatics/metainformatics2003.html#KingNNR03