@misc{indiciae3eea6fa65862,
  title = {Galileo System Design for Orbital Operations},
  author = {Upchurch, E. and Southard, S. and Kunstmann, G. and George, J.},
  year = {1994},
  url = {https://ntrs.nasa.gov/citations/20210004211},
  note = {Source identifier: 20210004211}
}