@misc{indiciae168186fb7c78,
  title = {Niche overlap as a function of environmental variability.},
  author = {R M May and R H MacArthur},
  year = {1972},
  doi = {10.1073/pnas.69.5.1109},
  url = {https://pubmed.ncbi.nlm.nih.gov/4504323/},
  note = {Source identifier: 4504323}
}