@misc{indiciae74b711040a10,
  title = {Depletion of 13C in Cretaceous marine organic matter: Source, diagenetic, or environmental sigal?},
  author = {Walter E. Dean and Michael A. Arthur and George E. Claypool},
  year = {1986},
  doi = {10.1016/0025-3227(86)90092-7},
  url = {https://pubs.usgs.gov/publication/70014995},
  note = {Source identifier: 70014995}
}