@misc{indiciae01fc100d1750,
  title = {The use of stable isotopes in the study of photosynthesis in freshwater plants},
  author = {Jon E. Keeley and Leonel Sternberg and Michael J. DeNiro},
  year = {1986},
  doi = {10.1016/0304-3770(86)90022-7},
  url = {https://pubs.usgs.gov/publication/1007558},
  note = {Source identifier: 1007558}
}