USGS world petroleum assessment 2000 [electronic resource] : new estimates of undiscovered oil and natural gas, natural gas liquids, including reserve growth, outside the United States.
Imprint
[Reston, Va] : U.S. Dept. of the Interior, U.S. Geological Survey, [2003]
Mode of access: Internet from the USGS web site. Address as of 6/16/04: http://pubs.usgs.gov/fs/fs-062-03/FS-062-03.pdf; current access is available via PURL.
Note
Title from title screen (viewed on June 16, 2004).