@misc{indiciae8fcebac34ccc,
  title = {Effects of copper on production of periphyton, nitrogen fixation and processing of leaf litter in a Sierra Nevada, California, stream},
  author = {Harry V. Leland and James L. Carter},
  year = {2006},
  doi = {10.1111/j.1365-2427.1985.tb00189.x},
  url = {https://pubs.usgs.gov/publication/70185591},
  note = {Source identifier: 70185591}
}