@misc{indiciaea13bc86d2c09,
  title = {Periphyton communities in streams of the Ozark Plateaus and their relations to selected environmental factors},
  author = {James C. Petersen and Suzanne R. Femmer},
  year = {2003},
  doi = {10.3133/wri024210},
  url = {https://pubs.usgs.gov/publication/wri024210},
  note = {Source identifier: wri024210}
}