@misc{indiciaecc10812e65f9,
  title = {Engine component improvement: Performance improvement, JT9D-7 3.8 AR fan},
  author = {Gaffin, W. O.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19800016837},
  note = {Source identifier: 19800016837}
}