@article{24186,
      author       = "Xi Qinwen and 6.Inter.Symp.Geod. a. Phys.Earth, Potsdam,
                      1988",
      title        = "The precision of the development of the tidal generating
                      potential and some explanatory notes  ",
      year         = "1988",
      note         = "Liter. - 1 sv.",
}