@misc{indiciae5a64965aa70f,
  title = {Experimental quiet engine program aerodynamic performance of Fan B},
  author = {Giffin, R. G. and Parker, D. E. and Dunbar, L. W.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720022158},
  note = {Source identifier: 19720022158}
}