@misc{indiciae699f62f55629,
  title = {Calibrating rates of early Cambrian evolution},
  author = {Bowring, Samuel A. and Grotzinger, John P. and Isachsen, Clark E. and Knoll, Andrew H. and Pelechaty, Shane M. and Kolosov, Peter},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19940035299},
  note = {Source identifier: 19940035299}
}