TY  - RPRT
TI  - Fractal lognormal percentage assessment of technically recoverable natural gas resources in continuous-type and coal-bed (unconventional) plays, onshore and state waters of the United States
AU  - R. A. Crovelli
AU  - J. W. Schmoker
AU  - R.H. Balay
PY  - 1995
DO  - 10.3133/ofr95647
UR  - https://pubs.usgs.gov/publication/ofr95647
ID  - ofr95647
ER  -