@article{5301,
  author = {J. Shull and Elise Sachs},
  title = {Variable C IV Absorption in the Seyfert Galaxy NGC 5548: A Connection to Broad Absorption Line Quasi-stellar Objects?},
  year = {1993},
  journal = {The Astrophysical Journal},
  volume = {416},
  pages = {536},
  month = {Jan-10-1993},
  issn = {0004-637X},
  url = {http://articles.adsabs.harvard.edu/full/1993ApJ...416..536S},
  doi = {10.1086/173255},
}