@article{5357,
  author = {K. Meyer and Chris Greene},
  title = {Double photoionization of helium using R-matrix methods},
  year = {1994},
  journal = {Physical Review A},
  volume = {50},
  pages = {R3573 - R3576},
  month = {Jan-11-1994},
  issn = {1050-2947},
  doi = {10.1103/PhysRevA.50.R3573},
}