@misc{indiciae233121721406,
  title = {Ecology: Darwin's naturalization hypothesis challenged.},
  author = {Richard P Duncan and Peter A Williams},
  year = {2002},
  doi = {10.1038/417608a},
  url = {https://pubmed.ncbi.nlm.nih.gov/12050652/},
  note = {Source identifier: 12050652}
}