@misc{indiciae332edbead091,
  title = {Drag-free estimation feasibility study},
  author = {Schaechter, D. B. and Carta, D. G. and Noon, D. and Parker, J. and Sonnabend, D.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19800024946},
  note = {Source identifier: 19800024946}
}