@misc{indiciae779e1e12dc93,
  title = {Cambro-ordovician sea-level fluctuations and sequence boundaries: The missing record and the evolution of new taxa},
  author = {O. Lehnert and J.F. Miller and Stephen A. Leslie and J.E. Repetski and Raymond L. Ethington},
  year = {2005},
  url = {https://pubs.usgs.gov/publication/70029345},
  note = {Source identifier: 70029345}
}