@INPROCEEDINGS{IAV2004:VCOS,
  AUTHOR =       {J.F. Vasconcelos and J. Calv\'{a}rio and P. Oliveira and C. Silvestre},
  TITLE =        {{GPS Aided IMU for Unmanned Air Vehicles}},
  crossref=      {IAV2004},
}

@PROCEEDINGS{IAV2004,
  TITLE =    {Proceedings of the 5th IFAC/EURON Symposium on
              Intelligent Autonomous Vehicles (IAV2004)},
  BOOKTITLE =    {Proceedings of the 5th IFAC/EURON Symposium on
                Intelligent Autonomous Vehicles (IAV2004)},
  YEAR =         {2004},
  editor =       {M. I. Ribeiro and J. Santos-Victor},
  publisher =    {Elsevier Science},
  organization = {Institute For Systems and Robotics, Instituto Superior T\'{e}cnico},
  address =      {Lisbon, Portugal},
  month =        {July},
}