@misc{indiciaed86c530ba689,
  title = {An analytical study of the advantages which differenced tracking data may offer for ameliorating the effects of unknown spacecraft accelerations},
  author = {Ondrasik, V. J. and Rourke, K. H.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710024652},
  note = {Source identifier: 19710024652}
}