@article{41007,
      title        = "The 1979 - 1996 gravity survey and results of the gravity
                      survey of Finland 1945 - 1996",
      year         = "1997",
      note         = "24 s. : obr., tab. - Lit. - 1 vol. příl. - 1 sv. - 20.-
                      Kč",
}