@misc{indiciaece4f01b5f02a,
  title = {Radioactive equilibrium in ancient marine sediments},
  author = {Irving A. Breger},
  year = {1955},
  doi = {10.1016/0016-7037(55)90018-1},
  url = {https://pubs.usgs.gov/publication/70009861},
  note = {Source identifier: 70009861}
}