8OAO East Siberian Oil and Gas Company,http:// www.yukos.com/EP/East-Siberian.asp.
9Gregory F. Ulmishek. Petroleum Geology and Re-ources of the Nepa- Botuoba High, Angara- Lena Terrace, and Cis-Patom Foredeep, Southeastern Siberian Craton, Russia.U.S. Geological Survey Bulletin 2201. F, 2001.
10EIA. Russia Country Analysis Brief, http://www, eia.doe. gov/emeu/cabs/russia, htm.