Sumana Srinivasan Krithi Ramamritham Purushottam Kulkarni ACE in the Hole: Adaptive Contour Estimation Using Collaborating Mobile Sensors. 147-158 2008 IPSN http://doi.ieeecomputersociety.org/10.1109/IPSN.2008.38 conf/ipsn/2008 db/conf/ipsn/ipsn2008.html#SrinivasanRK08