@article{1149,
  author = {Sydney Geltman},
  title = {Comment on ~Multiple ionization of helium and krypton by electron impact close to threshold: appearance energies and Wannier exponents~},
  year = {2004},
  journal = {Journal of Physics B: Atomic, Molecular and Optical Physics},
  volume = {37},
  pages = {2221-2223},
  month = {Apr-05-2006},
  issn = {0953-4075},
  doi = {10.1088/0953-4075/37/10/N01},
}