@article{5169,
  author = {D. Armstrong and John Cooper},
  title = {Isotope-selective photoionization spectroscopy of barium},
  year = {1993},
  journal = {Physical Review A},
  volume = {47},
  pages = {R2446 - R2449},
  month = {Jan-04-1993},
  issn = {1050-2947},
  doi = {10.1103/PhysRevA.47.R2446},
}