@article{44059,
      author       = "Rapp, R. H. and 4th int. Symp. Geod. Phys. Earth, G. D. R.
                      Karl-Marx-Stadt, May 12th - 17th, 1980. Proc. Part II,
                      Potsdam, ZIPE 1981",
      title        = "The 1° x 1° Mean Anomaly Field of the Earh and Prospects
                      for Its Improvement  ",
      note         = " Anotátor:Šk",
}