Seungjoon Lee Dave Levin Vijay Gopalakrishnan Bobby Bhattacharjee Backbone construction in selfish wireless networks. 121-132 2007 conf/sigmetrics/2007 SIGMETRICS http://doi.acm.org/10.1145/1254882.1254896 db/conf/sigmetrics/sigmetrics2007.html#LeeLGB07