@misc{indiciaefd30870c5e31,
  title = {Performance trade-offs and research problems for hypersonic transports},
  author = {Thomas J Gregory and Richard H Petersen and John A Wyss},
  year = {1964},
  url = {https://ntrs.nasa.gov/citations/19640017839},
  note = {Source identifier: 19640017839}
}