@misc{indiciaec21d832524a8,
  title = {Dynamical Considerations for Tethered Orbital Refueling Facility},
  author = {Abbott, Peter W. and Rudolph, L. Kevin and Fester, Dale A.},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19870000353},
  note = {Source identifier: 19870000353}
}