@article{9485,
  author = {E. Smith and John Cooper and W. Chappell and T. Dillon},
  title = {An impact theory for Doppler and pressure broadening-II. Atomic and molecular systems},
  year = {1971},
  journal = {Journal of Quantitative Spectroscopy and Radiative Transfer},
  volume = {11},
  pages = {1567-1576},
  month = {Jan-10-1971},
  issn = {00224073},
  doi = {10.1016/0022-4073(71)90114-2},
}