@article{4412,
  author = {S. Chan and S. Kwok},
  title = {Evolution of infrared carbon stars},
  year = {1990},
  journal = {Astronomy and Astrophysics},
  volume = {237},
  pages = {354-368},
  url = {http://adsabs.harvard.edu/full/1990A\%26A...237..354C},
  note = {JILA Pub. 4218},
}