@misc{indiciae140edcc9e61f,
  title = {Propulsion system requirements for reusable single-stage-to-orbit rocket vehicles},
  author = {Stanley, Douglas O. and Engelund, Walter C. and Lepsch, Roger},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19920066414},
  note = {Source identifier: 19920066414}
}