http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Evaluación de los recursos potenciales de petróleo y gas en la Provincia de la Cuenca de Burgos, México nororiental, 2003
Hoja informativa del Proyecto Evaluativo de la Energía Mundial
Assessment of undiscovered oil and gas resources of the Burgos Basin Province, northeastern Mexico, 2003. Spanish
Title from title screen (viewed on Aug. 5, 2008).
Mode of access: Internet from the USGS web site. Address as of 8/5/08: http://pubs.usgs.gov/fs/2004/3007/fs-2004-3007.pdf ; current access available via PURL.
Fact sheet (Geological Survey (U.S.)) ; 2004-3007