@misc{indiciae906b64051917,
  title = {Composite vegetation set.},
  author = {S Fregert},
  year = {1981},
  doi = {10.1111/j.1600-0536.1981.tb04123.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/7338049/},
  note = {Source identifier: 7338049}
}