Sean M. Brennan and coauthors discuss a project being developed at Los Alamos National Laboratory in cooperation with the University of New Mexico to provide a distributed sensor network for detecting vehicles transporting radioactive isotopes that could potentially be detonated over a densely populated area.
Citation:
Sean M. Brennan, Angela M. Mielke, David C. Torney, Arthur B. Maccabe, "Radiation Detection with Distributed Sensor Networks," Computer, vol. 37, no. 8, pp. 57-59, Aug. 2004, doi:10.1109/MC.2004.103