@misc{indiciaeb9f35efe8063,
  title = {Comparison and adaptation.},
  author = {T H Clutton-Brock and P H Harvey},
  year = {1979},
  doi = {10.1098/rspb.1979.0084},
  url = {https://pubmed.ncbi.nlm.nih.gov/42060/},
  note = {Source identifier: 42060}
}