@article{10472,
      author       = "Lilly, J. E. and XII General Assembly of International
                      Union of Geodesy and Geophysics - Helsinki 1960",
      title        = "Geodetic Operations in Canada January 1, 1957 to December
                      31, 1959  ",
      year         = "1960",
      note         = "1 sv., 1 sv., 1 mapa",
}