@article{7357,
  author = {Richard McCray and J. Shull and P. Boynton and J. Deeter and S. Holt and N. White},
  title = {Einstein Observatory pulse-phase spectroscopy of Hercules X-1},
  year = {1982},
  journal = {The Astrophysical Journal},
  volume = {262},
  pages = {301},
  month = {Jan-11-1982},
  issn = {0004-637X},
  url = {http://adsabs.harvard.edu/full/1982ApJ...262..301M},
  doi = {10.1086/160421},
}