@article{21639,
      author       = "Murray, Bruce C. and Wiliams, Owen W. and XII Assemblée
                      Génerale de l'UGGI a Helsinki, 1960",
      title        = "The Optimum Use of a Geodetic Satellite  ",
      year         = "1960",
      note         = "1 sv., Presented to the International Union of Geodesy at
                      the",
}