TY  - RPRT
TI  - Elevated CO(2) studies: past, present and future.
AU  - Joy K. Ward
AU  - Boyd R. Strain
PY  - 1999
DO  - 10.1093/treephys/19.4-5.211
UR  - https://pubmed.ncbi.nlm.nih.gov/12651563/
ID  - 12651563
ER  -