@misc{indiciae13dd8d29de21,
  title = {System for orienting balloon payloads in space.},
  author = {Derdeyn, S. M. and Kniffen, D. A.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19670037736},
  note = {Source identifier: 19670037736}
}