Satyanarayan, Sudhakar An efficient frontier for international portfolios with commodity as sets / Sudhakar Satyanarayan. - Washington, D.C. : The World Bank, 1994 - 30 p. : ill., tables ; 276 cm. - Policy research working paper ; no.1266 . Includes bibliographical references. ISBN: 0821319698 Subjects--Topical Terms: Commodity exchanges.--------Commercial products.-------- Dewey Class. No.: 332.6328