@misc{indiciae6b50233ed542,
  title = {Limits of retrospective power analysis},
  author = {Patrick D. Gerard and David R. Smith and Govinda Weerakkody},
  year = {1998},
  doi = {10.2307/3802357},
  url = {https://pubs.usgs.gov/publication/1014927},
  note = {Source identifier: 1014927}
}