@misc{indiciaed119c4b852ba,
  title = {Resolution of differences between collision number definitions in particle and continuum simulations},
  author = {Lumpkin, Forrest E., III and Haas, Brian L. and Boyd, Iain D.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19920044035},
  note = {Source identifier: 19920044035}
}