@article{23561,
      author       = "Ferencz, C. and International Symposium on Satellite
                      Geodesy Budapest, 28.6. - 1.7. 1977",
      title        = "Possibility of using quasi-single-frequency Doppler-Faraday
                      measurements  ",
      year         = "1977",
      note         = "1 sv.",
}