Direct scattering by a sound hard small bodyChalla, Durga PrasadImaging, Multi-Scale and High Contrast Partial Differential Equations : Seoul ICM 2014 Satellite Conference Imaging, Multi-scale and High Contrast PDEs, August 7-9, 2014, Daejeon, Korea2016 / p. 131-138 http://dx.doi.org/10.1090/conm/660 Location and size estimation of small rigid bodies using elastic far-fieldsAl-Musallam, Fadhel; Challa, Durga Prasad; Sini, MouradA Panorama of Mathematics : Pure and Applied : Conference Mathematics and its Applications, November 14-17, 2014, Kuwait University, Safat, Kuwait2016 / p. 33-46 http://dx.doi.org/10.1090/conm/658