@article{9842,
  author = {David Hummer},
  title = {Informal remarks on a problem in astrophysics},
  year = {1973},
  journal = {Nuclear Instruments and Methods},
  volume = {110},
  pages = {421},
  month = {Jan-07-1973},
  issn = {0029554X},
  doi = {10.1016/0029-554X(73)90721-0},
}