@article{35088,
      author       = "Ekman, Martin",
      title        = "Using mean sea surface topography for determination of
                      height system differences across the Baltic Sea  ",
      year         = "1999",
      note         = "In: Marine Geodesy., Č. 22 (1999)., Lit. 16., Abstr., Zvl.
                      otisk., 1 sv.",
}