@misc{indiciae027ed227f96c,
  title = {A smoke generator system for aerodynamic flight research},
  author = {Richwine, David M. and Curry, Robert E. and Tracy, Gene V.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900004056},
  note = {Source identifier: 19900004056}
}