Nageswara S. V. Rao Mallikarjun Shankar Jren-Chit Chin David K. Y. Yau Srinivasagopalan Srivathsan S. Sitharama Iyengar Yong Yang Jennifer C. Hou Identification of Low-Level Point Radiation Sources Using a Sensor Network. 493-504 2008 IPSN http://doi.ieeecomputersociety.org/10.1109/IPSN.2008.19 conf/ipsn/2008 db/conf/ipsn/ipsn2008.html#RaoSCYSIYH08