@article{7446,
  author = {S. Kepler and R. Nather and J. McGraw and E. Robinson},
  title = {The pulsation periods of the pulsating white dwarf G117-B15A},
  year = {1982},
  journal = {The Astrophysical Journal},
  volume = {254},
  pages = {676},
  month = {Jan-03-1982},
  issn = {0004-637X},
  url = {http://articles.adsabs.harvard.edu/full/1982ApJ...254..676K},
  doi = {10.1086/159779},
}