@misc{indiciae85e2470af9fc,
  title = {Electron beam flow visualization in hypersonic helium flow.},
  author = {Ocheltree, S. L. and Wagner, R. D., Jr. and Weinstein, L. M.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680056356},
  note = {Source identifier: 19680056356}
}