@article{9467,
  author = {B. Paczynski},
  title = {Evolution of Single Stars. V. Carbon Ignition in Population I Stars},
  year = {1971},
  journal = {Acta Astronomica},
  volume = {21},
  chapter = {271},
  pages = {271-288},
  url = {http://articles.adsabs.harvard.edu/full/1971AcA....21..271P},
  note = {JILA Pub. 594},
}