@article{9955,
  author = {J. Monaghan},
  title = {Collective oscillations in many electron atoms. III. Photoabsorption},
  year = {1974},
  journal = {Australian Journal of Physics},
  volume = {27},
  chapter = {667},
  pages = {667-672},
  url = {http://adsabs.harvard.edu/full/1974AuJPh..27..667M},
  note = {JILA Pub. 1275},
}