@article{9613,
  author = {R. Stellingwerf},
  title = {Luminosity Variation in the One-Zone Cepheid Model},
  year = {1972},
  journal = {Astronomy and Astrophysics},
  volume = {21},
  chapter = {91},
  pages = {91-96},
  url = {http://adsabs.harvard.edu/full/1972A\%26A....21...91S},
  note = {<p>JILA Pub. 881</p>},
}