@misc{indiciae438399b562b2,
  title = {Black shale source rocks and oil generation in the Cambrian and Ordovician of the central Appalachian Basin, USA},
  author = {Robert T. Ryder and Robert C Burruss and Joseph R. Hatch},
  year = {1998},
  doi = {10.1306/1d9bc42b-172d-11d7-8645000102c1865d},
  url = {https://pubs.usgs.gov/publication/70020638},
  note = {Source identifier: 70020638}
}