@article{5163,
  author = {Baorui Yang and K. Schafer and Barry Walker and K. Kulander and P. Agostini and L. DeMauro},
  title = {Intensity-dependent scattering rings in high order above-threshold ionization},
  year = {1993},
  journal = {Physical Review Letters},
  volume = {71},
  pages = {3770-3773},
  month = {Jan-12-1993},
  issn = {0031-9007},
  url = {http://link.aps.org/doi/10.1103/PhysRevLett.71.3770},
  doi = {10.1103/PhysRevLett.71.3770},
}