@misc{indiciaec6330bcc2c4f,
  title = {Interorgan correlations and phytochrome: leaf expansion.},
  author = {J A De Greef and R Caubergs},
  year = {1972},
  url = {https://pubmed.ncbi.nlm.nih.gov/4127082/},
  note = {Source identifier: 4127082}
}