TY  - RPRT
TI  - Thermal maturity and organic composition of Pennsylvanian coals and carbonaceous shales, north-central Texas: Implications for coalbed gas potential
AU  - P.C. Hackley
AU  - E.H. Guevara
AU  - T.F. Hentz
AU  - R.W. Hook
PY  - 2009
DO  - 10.1016/j.coal.2008.05.006
UR  - https://pubs.usgs.gov/publication/70033042
ID  - 70033042
ER  -