@misc{indiciae352f4b452ab3,
  title = {Eastern Devonian shales: Organic geochemical studies, past and present},
  author = {Irving A. Breger and Patrick G. Hatcher and L.A. Romankiw and F.P. Miknis},
  year = {1983},
  url = {https://pubs.usgs.gov/publication/70012100},
  note = {Source identifier: 70012100}
}