@article{21301,
      author       = "Karský, Georgij and Kostelecký, Jan and Intercosmos
                      Symposium on Results of Satellite Observations. Budapest,
                      October 21 - 25, 1974",
      title        = "On the Application of the Method of Synchronous Planes  ",
      year         = "1974",
      note         = "3x1 sv.",
}