@misc{indiciae89cdaa1cd865,
  title = {Advanced penning ion source},
  author = {Schenkel, Thomas and Ji, Qing and Persaud, Arun and Sy, Amy V.},
  year = {2016},
  url = {https://www.osti.gov/biblio/1330706},
  note = {Source identifier: 1330706}
}