@misc{indiciae27938e773d62,
  title = {Telescope Systems for Balloon-Borne Research},
  author = {Swift, C. and Witteborn, F. C. and Shipley, A.},
  year = {1974},
  url = {https://ntrs.nasa.gov/citations/19750004663},
  note = {Source identifier: 19750004663}
}