@misc{indiciae92e23cb18779,
  title = {Determining divergence times with a protein clock: update and reevaluation},
  author = {Feng, D. F. and Cho, G. and Doolittle, R. F. and Bada, J. L.},
  year = {1997},
  url = {https://ntrs.nasa.gov/citations/20040172843},
  note = {Source identifier: 20040172843}
}