TY  - RPRT
TI  - Organic geochemistry and petrology of subsurface Paleocene-Eocene Wilcox and Claiborne Group coal beds, Zavala County, Maverick Basin, Texas, USA
AU  - Paul C. Hackley
AU  - Peter D. Warwick
AU  - Robert W. Hook
AU  - Hossein Alimi
AU  - Maria Mastalerz
AU  - Sharon M. Swanson
PY  - 2012
DO  - 10.1016/j.orggeochem.2012.02.008
UR  - https://pubs.usgs.gov/publication/70176228
ID  - 70176228
ER  -