@article{9350,
      author       = "Kakkuri, Juhani and The SSG 5.147 of the International
                      Association of Geodesy",
      title        = "Final Results of the Baltic Sea Level 1990 GPS Campaing  ",
      year         = "1994",
      note         = "Abstr.-Liter.- Obr. a tab. v textu., 1 sv.",
}