@misc{indiciaece9ca90ad1f2,
  title = {Expansion-cooled Lyman-alpha clouds},
  author = {Duncan, Robert C. and Vishniac, Ethan T. and Ostriker, Jeremiah P.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910040760},
  note = {Source identifier: 19910040760}
}