@article{805516,
  author = {A Galejs and C Kuyatt},
  title = {Representation of Focal Properties of the Equal-Diameter Two-Tube Electrostatic Lens for Computer Calculations},
  year = {1973},
  number = {10},
  month = {1973-11-01 00:11:00},
  publisher = {Journal of Vacuum Science and Technology},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=620047},
  language = {en},
}