00421nas a2200157   4500000000100000008004100001260001200042100001600054700001600070700001600086700001700102700001900119700001700138245006100155856004700216       2009                            d  c06/20091 aPedro Lopez1 aRaul Gracia1 aMarc Espelt1 aGerard Paris1 aMarcel Arrufat1 aRoc Meseguer00aTopology-Aware Group Communication Middleware for MANETs  uhttp://doi.acm.org/10.1145/1621890.1621900