@misc{indiciae4fa340be9691,
  title = {Atomic to molecular hydrogen transition in interstellar clouds},
  author = {Federman, S. R. and Glassgold, A. E. and Kwan, J.},
  year = {1979},
  url = {https://ntrs.nasa.gov/citations/19790039178},
  note = {Source identifier: 19790039178}
}