@misc{indiciae6fa11ae8dccb,
  title = {A Balsa-dust Technique for Air-flow Visualization and Its Application to Flow Through Model Helicopter Rotors in Static Thrust},
  author = {Taylor, Marion K},
  year = {1950},
  url = {https://ntrs.nasa.gov/citations/19930082865},
  note = {Source identifier: 19930082865}
}