@article{1333911,
  author = {C Kuyatt and D DiChio and S Natali},
  title = {Third-Order Asymptotic Aberration Coefficients of Electron Lenses. III. Formulas and results for the two-tube electrostatic lens},
  year = {1974},
  number = {45},
  month = {1974-10-01 00:10:00},
  publisher = {Review of Scientific Instruments},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=620063},
  language = {en},
}