@misc{indiciae3c295e2d87d5,
  title = {Evidence for an optically thick component in the galactic radio source Sagittarius B2},
  author = {Hobbs, R. W. and Maran, S. P. and Modali, S. B.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710045915},
  note = {Source identifier: 19710045915}
}