@misc{indiciae200a35c8c548,
  title = {Optimal timing in biological processes},
  author = {Byron K. Williams and James D. Nichols},
  year = {1984},
  doi = {10.1086/284182},
  url = {https://pubs.usgs.gov/publication/5221892},
  note = {Source identifier: 5221892}
}