@misc{indiciaea0bb5aca83a6,
  title = {X-33 Reusable Launch Vehicle Demonstrator, Spaceport and Range},
  author = {Letchworth, Gary F.},
  year = {2011},
  url = {https://ntrs.nasa.gov/citations/20110016255},
  note = {Source identifier: 20110016255}
}