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Five-percent solution
Burke, William (1977)
FRBSF Economic Letter

Journal Article
Noteworthy: oil markets: Saudis abandon WTI price as benchmark
Thies, Jackson (2010-01)
Saudi Arabia's state-owned oil company no longer uses West Texas Intermediate (WTI) crude oil as its pricing benchmark. Saudi Aramco, the third largest U.S. oil supplier, switched to the Argus Sour Crude Index (ASCI) in January.
Southwest Economy , Issue Q1 , Pages 15

Journal Article
Monetary sources of inflation in Saudi Arabia
Keran, Michael W.; Al Malik, Ahmed Abdullah (1979-01)
Economic Review , Issue Win suppl