Giovanni Masarin Alberto Bartoli Vance Maverick Online Consistency Checking for Replicated Objects. 3-4 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2889&spage=3 2003 conf/otm/2003 OTM Workshops db/conf/otm/otm2003.html#MasarinBM03