OPEC : success and prospects / Dankwart A. Rustow and John F. Mugno. Rustow, Dankwart A. Mugno, John, joint author. Organization of Petroleum Exporting Countries. 382.9 RUO Includes bibliographical references and index. New York : New York University Press, 1976. 1976. 1976 Text ix, 179 p. ; eng