00400nas a2200133   4500000000100000008004100001260002700042100001800069700002000087245005400107856007300161300001400234020001800248       2001                            d  bACMaNew York, NY, USA1 aJoan Marquès1 aLeandro Navarro00aWWG: a wide-area infrastructure to support groups  uhttp://dblp.uni-trier.de/db/conf/group/group2001.html$\\#$MarquesN01  a179–187  a1-58113-294-8