@misc{indiciaeca264b5e8a6d,
  title = {Shuttle airbreathing propulsion},
  author = {Glassman, A. J. and Nosek, S. M. and Stewart, W. L.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710014288},
  note = {Source identifier: 19710014288}
}