@article{7724,
  author = {S. Haan and John Cooper},
  title = {Unitarity, the pole approximation, and interference between radiative emission and autoionization},
  year = {1983},
  journal = {Physical Review A},
  volume = {28},
  pages = {3349-3354},
  month = {Jan-12-1983},
  issn = {0556-2791},
  doi = {10.1103/PhysRevA.28.3349},
}