@misc{indiciaecd86e11d5688,
  title = {Terrestrial polarization imagery obtained from the Space Shuttle - Characterization and interpretation},
  author = {Egan, Walter G. and Johnson, W. R. and Whitehead, V. S.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910041923},
  note = {Source identifier: 19910041923}
}