Qing Yang Alvin Lim Xiaojun Ruan Xiao Qin Location Privacy Protection in Contention Based Forwarding for VANETs. 1-5 2010 GLOBECOM http://dx.doi.org/10.1109/GLOCOM.2010.5684166 conf/globecom/2010 db/conf/globecom/globecom2010.html#YangLRQ10