@article{4539,
  author = {H. Zhou and B. Whitten and G. Snitchler and David Norcross and J. Mitroy},
  title = {Spin-dependent electron-impact excitation of sodium},
  year = {1990},
  journal = {Physical Review A},
  volume = {42},
  pages = {3907-3912},
  month = {Jan-10-1990},
  issn = {1050-2947},
  doi = {10.1103/PhysRevA.42.3907},
}