@article{10793,
  author = {R. London},
  title = {On interpreting the L-alpha/H-beta ratio in quasars},
  year = {1979},
  journal = {The Astrophysical Journal},
  volume = {228},
  pages = {8},
  month = {Jan-03-1979},
  issn = {0004-637X},
  url = {http://articles.adsabs.harvard.edu/full/1979ApJ...228....8L},
  doi = {10.1086/156817},
}