Shimkin, Demitri B. Minerals: a key to soviet power / Demitri B. Shimkin - Cambridge : Harvard University Press, 1953 - viii, 452p. : ill. ; 25 cm. - Russian Research Center studies . Includes bibliographical references and index. Subjects--Topical Terms: Natural resourcesMineral industriesMinerals Dewey Class. No.: 553.1 / SHI