@misc{indiciae394026830d6a,
  title = {Nitrates in SNCs: Implications for the nitrogen cycle on Mars},
  author = {Grady, Monica M. and Wright, I. P. and Franchi, I. A. and Pillinger, C. T.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19940011720},
  note = {Source identifier: 19940011720}
}