Lorenzo Bettini Viviana Bono Rocco De Nicola Gian Luigi Ferrari Daniele Gorla Michele Loreti Eugenio Moggi Rosario Pugliese Emilio Tuosto Betti Venneri The Klaim Project: Theory and Practice. 88-150 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2874&spage=88 2003 conf/global/2003 Global Computing db/conf/global/global2003.html#BettiniBNFGLMPTV03