@misc{indiciaed7ef5ce345c8,
  title = {Organic geochemistry and petrology of subsurface Paleocene-Eocene Wilcox and Claiborne Group coal beds, Zavala County, Maverick Basin, Texas, USA},
  author = {Paul C. Hackley and Peter D. Warwick and Robert W. Hook and Hossein Alimi and Maria Mastalerz and Sharon M. Swanson},
  year = {2012},
  doi = {10.1016/j.orggeochem.2012.02.008},
  url = {https://pubs.usgs.gov/publication/70176228},
  note = {Source identifier: 70176228}
}