@misc{indiciae6f635b8ff5f5,
  title = {The record of global change in mid-Cretaceous (Barremian-Albian) sections from the Sierra Madre, Northeastern Mexico},
  author = {T.J. Bralower and E. Cobabe and B. Clement and W.V. Sliter and C.L. Osburn and J. Longoria},
  year = {1999},
  url = {https://pubs.usgs.gov/publication/70021256},
  note = {Source identifier: 70021256}
}