@misc{indiciaec6f559f73343,
  title = {Biodiversity: past, present, and future},
  author = {Sepkoski, J. J. Jr and Sepkoski JJ, J. r.},
  year = {1997},
  url = {https://ntrs.nasa.gov/citations/20040121408},
  note = {Source identifier: 20040121408}
}