@misc{indiciaec842ffd8ca9b,
  title = {Comprehensive models of diffuse interstellar clouds - Physical conditions and molecular abundances},
  author = {Van Dishoeck, E. F. and Black, J. H.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19870031621},
  note = {Source identifier: 19870031621}
}