@article{23286,
      author       = "Inst. Geod. Cartogr. and 19. IUGG - Vancouver, August 9-22,
                      1987",
      title        = "The Polish National Report to the International Association
                      of Geodesy /IAG/. 1983 - 1986  ",
      year         = "1987",
      note         = "Liter. - 1 vol. příl., 1 sv.",
}