@misc{indiciae640986d8c7a3,
  title = {An experiment on the threshold effect in the coherent wave instability},
  author = {Mielke, T. A. and Helliwell, R. A.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19930030964},
  note = {Source identifier: 19930030964}
}