@misc{indiciae8f9a6cda3a73,
  title = {Interstellar gas in the Gum Nebula},
  author = {Wallerstein, G. and Jenkins, E. B. and Silk, J.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19810029610},
  note = {Source identifier: 19810029610}
}