@misc{indiciae093cc2de2005,
  title = {Rocket exhaust plume computer program improvement. Volume 1: Summary: Method of characteristics nozzle and plume programs},
  author = {Ratliff, A. W. and Smith, S. D. and Penny, N. M.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720011292},
  note = {Source identifier: 19720011292}
}