@misc{indiciae2e94819752aa,
  title = {Recent progress with the vortex stabilized arc},
  author = {Mc Intosh, R. and Neuder, S. and Urschel, R.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19670012071},
  note = {Source identifier: 19670012071}
}