@conference{4929,
  author = {H.-L. Zhou and David Norcross and B. Whitten},
  title = {High-precision calculations of cross sections for low energy electron scattering by ground- and excited-state of sodium},
  year = {1992},
  publisher = {Institute of Physics},
  address = {Flinders University, Adelaide, Australia},
  isbn = {0854984127, 9780854984121},
  note = {JILA Pub. 4627},
}