@inproceedings{picaomorgado2010experimental,
  title={{USBL positioning system: Implementation and tests at sea}},
  author={Pic{\~{a}}o, J. and Morgado, M. and Oliveira, P. and Silvestre, C.},
  booktitle={Proceedings of the 9th Portuguese Conference on Automatic Control CONTROLO'2010},
  month={September},
  address={Coimbra, Portugal},
  year={2010},
  organization={APCA}
};