@misc{indiciae6b588a1919ea,
  title = {Diurnal variations in optical depth at Mars},
  author = {Colburn, D. S. and Pollack, J. B. and Haberle, R. M.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890054099},
  note = {Source identifier: 19890054099}
}