@misc{indiciaecd78a81a7c3c,
  title = {Infrared measurements of pristine and disturbed soils 1. Spectral contrast differences between field and laboratory data},
  author = {J. R. Johnson and P. G. Lucey and K.A. Horton and E.M. Winter},
  year = {1998},
  doi = {10.1016/s0034-4257(97)00166-1},
  url = {https://pubs.usgs.gov/publication/70021153},
  note = {Source identifier: 70021153}
}