@misc{indiciaed1712edaadda,
  title = {The Effects of Urbanization and Other Environmental Gradients on Algal Assemblages in Nine Metropolitan Areas across the United States},
  author = {James F. Coles and Amanda H. Bell and Barbara C. Scudder and Kurt D. Carpenter},
  year = {2009},
  doi = {10.3133/sir20095022},
  url = {https://pubs.usgs.gov/publication/sir20095022},
  note = {Source identifier: sir20095022}
}