@misc{indiciaecfd6a8e7e586,
  title = {Flight techniques for determining airplane drag at high Mach numbers},
  author = {Beeler, De E and Bellman, Donald R and Saltzman, Edwin J},
  year = {1956},
  url = {https://ntrs.nasa.gov/citations/19930084521},
  note = {Source identifier: 19930084521}
}