@misc{814711,
  author = {Y Kim and K Irikura and M Rudd and D Zucker and M Zucker and J Coursey and Karen Olsen and G Wiersma},
  title = {Electron-Impact Ionization Cross Section Database (version 2.0)},
  year = {2003},
  month = {2003-01-01 00:01:00},
  publisher = {http://physics.nist.gov/ionxsec},
  language = {en},
}