@misc{indiciae0242010dc4a0,
  title = {Determining divergence times with protein clocks},
  author = {Doolittle, R. F. and Feng, D. F. and Cho, G. and Bada, J. L.},
  year = {1999},
  url = {https://ntrs.nasa.gov/citations/20040112176},
  note = {Source identifier: 20040112176}
}