@conference{653,
  keywords = {Invited},
  author = {Lucia Reining},
  title = {Theoretical spectroscopy: some developments and applications based on GW},
  year = {2005},
  journal = {Workshop 40 years of the GW approximation for the Electronic Self-Energy: Achievements and Challenges , Bad Honnef (Germany)},
  month = {09},
}