@misc{indiciae2c2aa229fca4,
  title = {Variable features on Mars. IV - Pavonis Mons},
  author = {Sagan, C. and Veverka, J. and Steinbacher, R. and Quam, L. and Tucker, R. and Eross, B.},
  year = {1974},
  url = {https://ntrs.nasa.gov/citations/19740052425},
  note = {Source identifier: 19740052425}
}