@misc{indiciae993b545d12d1,
  title = {Three-dimensional simulation of underexpanded plumes using upwind algorithms},
  author = {Obayashi, Shigeru and Gavali, Sharad},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900052529},
  note = {Source identifier: 19900052529}
}