@misc{indiciae35092a332a2c,
  title = {Diffuser/ejector system for a very high vacuum environment},
  author = {Riggs, K. E. and Wojciechowski, C. J.},
  year = {1984},
  url = {https://ntrs.nasa.gov/citations/19840019681},
  note = {Source identifier: 19840019681}
}