@misc{indiciae80507c8588a5,
  title = {Mission Planning Studies for Manned, Circular, Synchronous-Orbit Missions - Project Apollo},
  author = {Hyle, C. T.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19700025385},
  note = {Source identifier: 19700025385}
}