@article{10969,
  author = {A. Kingston},
  title = {The Populations of the Discrete Levels of Atomic Hydrogen in the Chromosphere},
  year = {1964},
  journal = {Astrophysical Journal},
  volume = {140},
  pages = {736},
  url = {http://adsabs.harvard.edu/full/1964ApJ...140..736K},
  note = {JILA Pub. 57},
}