Xiaohui Bei Wei Chen Shang-Hua Teng Jialin Zhang Jiajie Zhu Bounded Budget Betweenness Centrality Game for Strategic Network Formations. 227-238 2009 ESA http://dx.doi.org/10.1007/978-3-642-04128-0_20 conf/esa/2009 db/conf/esa/esa2009.html#BeiCTZZ09