TY - RPRT TI - An evaluation of the U.S. Geological Survey World Petroleum Assessment 2000 AU - T. R. Klett AU - D. L. Gautier AU - Thomas S. Ahlbrandt PY - 2005 DO - 10.1306/04060504105 UR - https://pubs.usgs.gov/publication/70031304 ID - 70031304 ER -