TY  - RPRT
TI  - Decrease of the chlorophyll fluorescence ratio F690/F730 during greening and development of leaves.
AU  - R Hák
AU  - H K Lichtenthaler
AU  - U Rinderle
PY  - 1990
DO  - 10.1007/bf01210413
UR  - https://pubmed.ncbi.nlm.nih.gov/2281139/
ID  - 2281139
ER  -