@article{30249,
      author       = "Jiancheng, Li and Dingbo, Chao and Jinsheng, Ning and IAG
                      General Meeting. Beijing, 6 - 13 August, 1993",
      title        = "Spherical Cap Harmonic Expansion for Local Gravity  Field
                      Representation  ",
      year         = "1993",
      note         = "Obr., tab. a lit. v textu. 1 sv.",
}