00474nas a2200169   4500000000100000000000100001008004100002653000900043100001800052700002200070700002400092700002000116245006600136856008300202300001200285490000700297       2007                            d10adblp1 aJoan Marquès1 aXavier Vilajosana1 aThanasis Daradoumis1 aLeandro Navarro00aLaCOLLA: Middleware for Self-Sufficient Online Collaboration.  uhttp://dblp.uni-trier.de/db/journals/internet/internet11.html$\\#$MarquesVDN07  a56–640 v11