@misc{indiciae3faa4047903d,
  title = {Phytoplankton productivity, respiration, and nutrient uptake and regeneration in the Potomac River, August 1977 - August 1978},
  author = {B.E. Cole and D.D. Harmon},
  year = {1981},
  doi = {10.3133/ofr81700},
  url = {https://pubs.usgs.gov/publication/ofr81700},
  note = {Source identifier: ofr81700}
}