@misc{indiciae117db52901a0,
  title = {Technology Challenges for Deep-Throttle Cryogenic Engines for Space Exploration},
  author = {Brown, Kendall K. and Nelson, Karl W.},
  year = {2005},
  url = {https://ntrs.nasa.gov/citations/20050110123},
  note = {Source identifier: 20050110123}
}