@article{4651,
  author = {Yueming Xu and Richard McCray},
  title = {Energy degradation of fast electrons in hydrogen gas},
  year = {1991},
  journal = {The Astrophysical Journal},
  volume = {375},
  pages = {190},
  month = {Jan-07-1991},
  issn = {0004-637X},
  url = {http://adsabs.harvard.edu/full/1991ApJ...375..190X},
  doi = {10.1086/170180},
}