@misc{indiciaead2da4f247c1,
  title = {Gradient analysis of vegetation.},
  author = {R H Whittaker},
  year = {1967},
  doi = {10.1111/j.1469-185x.1967.tb01419.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4859903/},
  note = {Source identifier: 4859903}
}