@misc{indiciaebdf91d466881,
  title = {Intercomparison of GEOS 3 tracking systems},
  author = {Berbert, J. H. and Carney, D. V.},
  year = {1979},
  url = {https://ntrs.nasa.gov/citations/19790060681},
  note = {Source identifier: 19790060681}
}