@misc{indiciaea877600a8b06,
  title = {Nonlinear energy flow in a beam-plasma system},
  author = {Whelan, D. A. and Stenzel, R. L.},
  year = {1983},
  url = {https://ntrs.nasa.gov/citations/19830047478},
  note = {Source identifier: 19830047478}
}