@article{4756,
  author = {M. Donahue and G. Voit},
  title = {A photoionization model for the optical line emission from cooling flows},
  year = {1991},
  journal = {The Astrophysical Journal},
  volume = {381},
  pages = {361},
  month = {Jan-11-1991},
  issn = {0004-637X},
  url = {http://adsabs.harvard.edu/full/1991ApJ...381..361D},
  doi = {10.1086/170659},
}