@misc{indiciae171b73648f47,
  title = {X-15 propulsion subsystem component development},
  author = {Robert L. Wiswell and Phillip Olekszyk and John W. Gibb},
  year = {1961},
  url = {https://ntrs.nasa.gov/citations/19710070148},
  note = {Source identifier: 19710070148}
}