@misc{indiciae4988eb2a0bb5,
  title = {Carbon chain abundance in the diffuse interstellar medium},
  author = {Allamandola, L. J. and Hudgins, D. M. and Bauschlicher, C. W. Jr and Langhoff, S. R.},
  year = {1999},
  url = {https://ntrs.nasa.gov/citations/20040088876},
  note = {Source identifier: 20040088876}
}