@misc{indiciae913c914009bd,
  title = {A note on efficiency of photon absorption.},
  author = {D Kahn},
  year = {1961},
  doi = {10.1104/pp.36.5.539},
  url = {https://pubmed.ncbi.nlm.nih.gov/16655548/},
  note = {Source identifier: 16655548}
}