TY  - RPRT
TI  - Assessment of undiscovered natural gas resources in Devonian black shales, Appalachian basin, eastern U.S.A.
AU  - Robert C. Milici
PY  - 2005
DO  - 10.3133/ofr20051268
UR  - https://pubs.usgs.gov/publication/ofr20051268
ID  - ofr20051268
ER  -