@article{10728,
  author = {K. Davidson},
  title = {Additional upper limits on a Lyman-alpha halo around PHL 957},
  year = {1979},
  journal = {Publications of the Astronomical Society of the Pacific},
  volume = {91},
  pages = {817},
  month = {Jan-12-1979},
  issn = {0004-6280},
  url = {http://adsabs.harvard.edu/full/1979PASP...91..817D},
  doi = {10.1086/130593},
}