@misc{indiciae860542248929,
  title = {A supersonic inlet-engine control using engine speed as a primary variable for controlling normal shock position},
  author = {Hagedorn, R. E. and Neiner, G. H. and Paulovich, F. J.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710011199},
  note = {Source identifier: 19710011199}
}