@article{1945,
      author       = "Luetzow, H. Baussus von and U.S.Army Engng. Topogr. Labor.
                      Fort Belvoir and 19. IUGG - Vancouver, Aug. 9-22, 1987",
      title        = "Applications of the Pellinen-Moritz Solution of the
                      Geodetic Boundary Value Problem to Gravity Gradiometry and
                      to Upward and Downward Continuation Problems  ",
      year         = "1987",
      note         = "Liter., 1 sv.",
}