TY  - RPRT
TI  - Worldwide estimates of deep natural gas resources based on the U.S. Geological Survey World Petroleum Assessment 2000
AU  - T. S. Dyman
AU  - R. A. Crovelli
AU  - C. E. Bartberger
AU  - K. I. Takahashi
PY  - 2002
DO  - 10.1023/a:1019860722244
UR  - https://pubs.usgs.gov/publication/70023990
ID  - 70023990
ER  -