@article{5195,
  author = {F. Robicheaux and Bo Gao},
  title = {Multichannel quantum-defect approach for two-photon processes},
  year = {1993},
  journal = {Physical Review A},
  volume = {47},
  pages = {2904-2912},
  month = {Jan-04-1993},
  issn = {1050-2947},
  url = {http://link.aps.org/doi/10.1103/PhysRevA.47.2904},
  doi = {10.1103/PhysRevA.47.2904},
}