@article{9952,
  author = {A. Barnard and John Cooper and E. Smith},
  title = {The Broadening of He I lines including ion dynamic corrections, with application to λ4471\r A},
  year = {1974},
  journal = {Journal of Quantitative Spectroscopy and Radiative Transfer},
  volume = {14},
  pages = {1025-1077},
  month = {Jan-10-1974},
  issn = {00224073},
  doi = {10.1016/0022-4073(74)90085-5},
}