@inproceedings{MuGoTo02,
  author={R. Murrieta-Cid and H. Gonzalez and B. Tovar},
  title={A Reactive Motion Planner to Maintain Visibility of Unpredictable Targets},
  booktitle={Proc. IEEE International Conference on Robotics and Automation},
  pages={4242-4248},
  year={2002}}