Adnan Vora Mikhail Nesterenko Sébastien Tixeuil Sylvie Delaët Universe Detectors for Sybil Defense in Ad Hoc Wireless Networks. 63-78 2008 SSS http://dx.doi.org/10.1007/978-3-540-89335-6_8 conf/sss/2008 db/conf/sss/sss2008.html#VoraNTD08