@misc{indiciae309641bdd9f0,
  title = {The Nitrate/Perchlorate Ratio on Mars as an Indicator for Habitability},
  author = {Stern, J. C. and Sutter, B. and McKay, C. P. and Navarro-Gonzalex, R. and Freissinet, C. and Conrad, P. G. and Mahaffy, P. R. and Archer, P. D., Jr. and Ming, D. W. and Niles, P. B. and Zorzano, M.-P. and Martin-Torres, F. J.},
  year = {2015},
  url = {https://ntrs.nasa.gov/citations/20150001921},
  note = {Source identifier: 20150001921}
}