@misc{indiciaeda4e516329cd,
  title = {Mariner 9 areographic coordinate system.},
  author = {De Vaucouleurs, G. and Davies, M. E. and Sturms, F. M., Jr.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19730052426},
  note = {Source identifier: 19730052426}
}