TY  - RPRT
TI  - The use of stable isotopes in the study of photosynthesis in freshwater plants
AU  - Jon E. Keeley
AU  - Leonel Sternberg
AU  - Michael J. DeNiro
PY  - 1986
DO  - 10.1016/0304-3770(86)90022-7
UR  - https://pubs.usgs.gov/publication/1007558
ID  - 1007558
ER  -