@misc{indiciae332eb99bdd78,
  title = {Backstreaming from oil diffusion pumps Final report, Dec. 1, 1963 - May 30, 1966},
  author = {Ivanuski, V. R. and Langdon, W. M.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19660027096},
  note = {Source identifier: 19660027096}
}