@misc{indiciaeb13f1b02bd1c,
  title = {Remarks on ascertainment.},
  author = {W J Ewens and N C Shute},
  year = {1989},
  doi = {10.1002/gepi.1370060117},
  url = {https://pubmed.ncbi.nlm.nih.gov/2731722/},
  note = {Source identifier: 2731722}
}