The video of the experiment conducted by M Deghat, E Davis, and T See.

M Deghat, E Davis, T See, I Shames, B D O Anderson, C Yu, “Target Localization and Circumnavigation by a Non-holonomic Robot”, in the 2012 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2012), October 7-12, Vilamoura, Algarve, Portugal, 2012.