Francisco Vilar Brasileiro Fabíola Greve Achour Mostéfaoui Michel Raynal Consensus in One Communication Step. 42-50 2001 conf/pact/2001 PaCT http://link.springer.de/link/service/series/0558/bibs/2127/21270042.htm db/conf/pact/pact2001.html#BrasileiroGMR01