@misc{indiciae715c79afa412,
  title = {Abundance variations in high-velocity interstellar gas},
  author = {Shull, J. M. and York, D. G. and Hobbs, L. M.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19770040332},
  note = {Source identifier: 19770040332}
}