@misc{indiciae4527e3e7a3d4,
  title = {Decrease of the chlorophyll fluorescence ratio F690/F730 during greening and development of leaves.},
  author = {R Hák and H K Lichtenthaler and U Rinderle},
  year = {1990},
  doi = {10.1007/bf01210413},
  url = {https://pubmed.ncbi.nlm.nih.gov/2281139/},
  note = {Source identifier: 2281139}
}