@article{10910,
  author = {Sydney Geltman},
  title = {That Bound-Free Absorption Coefficient of the Hydrogen Negative Ion.},
  year = {1962},
  journal = {The Astrophysical Journal},
  volume = {136},
  pages = {935},
  month = {Jan-09-1962},
  issn = {0004-637X},
  url = {http://adsabs.harvard.edu/full/1962ApJ...136..935G},
  doi = {10.1086/147447},
}