@misc{indiciaefc501bb09a87,
  title = {Variable mixture ratio performance through nitrogen augmentation},
  author = {Beichel, R. and Obrien, C. J. and Bair, E. K.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19900019323},
  note = {Source identifier: 19900019323}
}