@INPROCEEDINGS{VOS05,
  AUTHOR =       {J.F. Vasconcelos and P. Oliveira and C. Silvestre},
  TITLE =        {{Inertial Navigation System Aided by GPS and Selective Frequency Contents of Vector Measurements}},
  BOOKTITLE =    {Proceedings of the AIAA Guidance, Navigation, and Control Conference (GNC2005)},
  YEAR =         {2005},
  organization = {American Institute for Aeronautics and Astronautics},
  address =      {San Francisco, USA},
  month =        {August},
}