@misc{indiciaedc2700287525,
  title = {Recent Tertiary and Cretaceous nannoplankton collections from the San Francisco Bay region},
  author = {David Bukry and E. E. Brabb and C.L. Powell and D. L. Jones and R. W. Graymer},
  year = {1998},
  doi = {10.3133/ofr98497},
  url = {https://pubs.usgs.gov/publication/ofr98497},
  note = {Source identifier: ofr98497}
}