@misc{indiciae034204fa607a,
  title = {Problems in ecological studies.},
  author = {B L Cohen},
  year = {1992},
  doi = {10.1093/ije/21.2.422},
  url = {https://pubmed.ncbi.nlm.nih.gov/1428502/},
  note = {Source identifier: 1428502}
}