@article{35072,
      author       = "Verstelle, Th. J. and International Union of Geodesy and
                      Geophysics. Eleventh General Assembly, Toronto - 1957.
                      Geodesy. (Electronic Survey Systems)",
      title        = "Use of the Decca Navigator Survey System in New Guinea for
                      Hydrography and as a Geodetic Framework  ",
      year         = "1957",
      note         = "1 sv.",
}