@misc{indiciae22aabf0aa251,
  title = {Quiet, Clean, Short-Haul Experimental Engines /QCSEE/ - A technology development program},
  author = {Willis, W. S.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19770045766},
  note = {Source identifier: 19770045766}
}