@misc{indiciae412c2115a251,
  title = {Spectroscopic analysis of arsenic uptake in Pteris Ferns},
  author = {E. Terrence Slonecker and Barry N. Haack and Susan D. Price},
  year = {2009},
  doi = {10.3390/rs1040644},
  url = {https://pubs.usgs.gov/publication/70204144},
  note = {Source identifier: 70204144}
}