@article{22879,
      author       = "Allan, A. L. and International Association of Geodesy -
                      Symposium on Electromagnetic Distance Measurement and the
                      Influence of Atmospheric Refraction, Wageningen,
                      Netherlands, 23 - 28 May 1977",
      title        = "The plane mirror in electro-optical distance measurement  ",
      year         = "1977",
      note         = "197900645 ",
}