@misc{indiciae1af4f00f75d8,
  title = {Detection and monitoring of H2O and CO2 ice clouds on Mars},
  author = {J.F. Bell and W. M. Calvin and M. E. Ockert-Bell and D. Crisp and James B. Pollack and J. Spencer},
  year = {1996},
  doi = {10.1029/96je00689},
  url = {https://pubs.usgs.gov/publication/70017772},
  note = {Source identifier: 70017772}
}