@misc{indiciaec241cdb4536f,
  title = {Introduction to special section: early Mars},
  author = {Clifford, S. and Treiman, A. and Newsom, H. and Farmer, J.},
  year = {1998},
  url = {https://ntrs.nasa.gov/citations/20040089031},
  note = {Source identifier: 20040089031}
}