TY  - RPRT
TI  - Chlorophyll fluorescence--a practical guide.
AU  - K Maxwell
AU  - G N Johnson
PY  - 2000
DO  - 10.1093/jxb/51.345.659
UR  - https://pubmed.ncbi.nlm.nih.gov/10938857/
ID  - 10938857
ER  -