@article{26881,
      author       = "Culley, Frank, L. and Sherman, M. and Symposium on the
                      Figure of the Earth and Refraction, 14 - 17 March 1967,
                      Vienna",
      title        = "Refractive Effects of Radio Ranging on Artificial Earth
                      Satellites  ",
      year         = "1967",
      note         = "Presented to The Special Study Group No 23 section I of the
                      International Association of Geodesy, Vienna, Austria -
                      March 1967. - 1 seš.",
}