@misc{indiciae1f20e9dd2009,
  title = {On self-preserving, variable-density, turbulent free jets},
  author = {So, R. M. C. and Liu, T. M.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19870023646},
  note = {Source identifier: 19870023646}
}