@misc{indiciae5c19a47f72e8,
  title = {Argon in the Martian atmosphere},
  author = {Levine, J. S. and Riegler, G. R.},
  year = {1974},
  url = {https://ntrs.nasa.gov/citations/19750029955},
  note = {Source identifier: 19750029955}
}