@misc{indiciae11e05be0aca7,
  title = {Electrostatic fields in ionography.},
  author = {D Plewes and H E Johns},
  doi = {10.1118/1.594167},
  url = {https://pubmed.ncbi.nlm.nih.gov/1186618/},
  note = {Source identifier: 1186618}
}