@misc{indiciaed7c7bb6e203f,
  title = {A supplement to "Methods for collection and analysis of aquatic biological and microbiological samples" (U.S. Geological Survey Techniques of Water-Resources Investigations, Book 5, Chapter A4)},
  year = {1979},
  doi = {10.3133/ofr791279},
  url = {https://pubs.usgs.gov/publication/ofr791279},
  note = {Source identifier: ofr791279}
}