@article{41663,
      title        = "Ellipsoidal Correktions for Geoid Undulation Computations
                      Using Gravity Anomalies in a Cap",
      year         = "1981",
      note         = "1 sv., 10843 - 10848 s., tb. a mapky v textu., Liter. - 5 -
                      Zvl. ot. z: Journal of Geophysical Research, vol. 86, No.
                      B11, November 10, 1981",
}