@article{8031,
  author = {Roy Garstang},
  title = {Hyperfine structure and the broadening of sunspot spectral lines},
  year = {1984},
  journal = {Journal of the Optical Society of America B},
  volume = {1},
  pages = {311},
  month = {Jan-01-1984},
  issn = {0740-3224},
  doi = {10.1364/JOSAB.1.000311},
}