@misc{indiciae1ff915631248,
  title = {Preliminary measured and predicted XB-70 engine noise},
  author = {Lasagna, P. L. and Mc Leod, N. J.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680012365},
  note = {Source identifier: 19680012365}
}