@article{10089,
  author = {J. Brunt and F. Read},
  title = {Aberrations in electrostatic lenses},
  year = {1975},
  journal = {Journal of Physics E: Scientific Instruments},
  volume = {8},
  pages = {1015-1020},
  month = {Jan-12-1975},
  issn = {0022-3735},
  url = {http://stacks.iop.org/0022-3735/8/i=12/a=012?key=crossref.da530968516cd1c6b5b2dbaace8ced3a},
  doi = {10.1088/0022-3735/8/12/012},
}