Kiran Yedavalli Bhaskar Krishnamachari Sharmila Ravula Bhaskar Srinivasan Ecolocation: a sequence based technique for RF localization in wireless sensor networks. 285-292 2005 conf/ipsn/2005 IPSN http://dx.doi.org/10.1109/IPSN.2005.1440937 db/conf/ipsn/ipsn2005.html#YedavalliKRS05