@misc{indiciae6ece6502cc49,
  title = {Discrimination of hydrothermal altered and unaltered rocks in visible and near infrared multispectral images},
  author = {L. C. Rowan and Alexander F.H. Goetz and Roger P. Ashley},
  year = {1977},
  doi = {10.1190/1.1440723},
  url = {https://pubs.usgs.gov/publication/70209765},
  note = {Source identifier: 70209765}
}