@article{10951,
  author = {A. Kingston},
  title = {Excitation and Ionization of Hydrogen Atoms by Electron Impact},
  year = {1964},
  journal = {Physical Review},
  volume = {135},
  pages = {A1529 - A1536},
  month = {Jan-09-1964},
  issn = {0031-899X},
  url = {http://link.aps.org/doi/10.1103/PhysRev.135.A1529},
  doi = {10.1103/PhysRev.135.A1529},
}