@article{9566,
  author = {I. Iben and R. Tuggle},
  title = {Comments on a PLC relationship for cepheids and on the comparison between pulsation and evolution masses for cepheids.},
  year = {1972},
  journal = {The Astrophysical Journal},
  volume = {178},
  pages = {441},
  month = {Jan-12-1972},
  issn = {0004-637X},
  url = {http://adsabs.harvard.edu/full/1972ApJ...178..441I},
  doi = {10.1086/151803},
}