@misc{indiciae3743d1c67db4,
  title = {Phytoplankton productivity measurements in the San Francisco Bay estuary; a comparison of four methods},
  author = {S.W. Hager and Brian E. Cole and Laurence E. Schemel},
  year = {1979},
  doi = {10.3133/ofr80766},
  url = {https://pubs.usgs.gov/publication/ofr80766},
  note = {Source identifier: ofr80766}
}