@misc{indiciae1ece02963707,
  title = {Hubble Space Telescope observations of C2 molecules in diffuse interstellar clouds},
  author = {Lambert, David L. and Sheffer, Yaron and Federman, S. R.},
  year = {1995},
  url = {https://ntrs.nasa.gov/citations/19950036977},
  note = {Source identifier: 19950036977}
}