Jon M. Kleinberg Siddharth Suri Éva Tardos Tom Wexler Strategic network formation with structural holes. 284-293 2008 ACM Conference on Electronic Commerce http://doi.acm.org/10.1145/1386790.1386835 conf/sigecom/2008 db/conf/sigecom/sigecom2008.html#KleinbergSTW08