@misc{indiciaedef487e8ceda,
  title = {Caging Mechanism for a drag-free satellite position sensor},
  author = {Hacker, R. and Mathiesen, J. and Debra, D. B.},
  year = {1976},
  url = {https://ntrs.nasa.gov/citations/19760021196},
  note = {Source identifier: 19760021196}
}