@misc{indiciae81041cc21f3b,
  title = {Spectral analysis workshop on the use of vegetation as an indicator of environmental contamination; proceedings of a workshop},
  author = {Judith Lancaster},
  year = {1996},
  doi = {10.3133/ofr9636},
  url = {https://pubs.usgs.gov/publication/ofr9636},
  note = {Source identifier: ofr9636}
}