@article{5451,
  author = {Barry Walker and B. Sheehy and L. DeMauro and P. Agostini and K. Schafer and K. Kulander},
  title = {Precision Measurement of Strong Field Double Ionization of Helium},
  year = {1994},
  journal = {Physical Review Letters},
  volume = {73},
  pages = {1227-1230},
  month = {Jan-08-1994},
  issn = {0031-9007},
  url = {http://link.aps.org/doi/10.1103/PhysRevLett.73.1227},
  doi = {10.1103/PhysRevLett.73.1227},
}