Schumpeter, Joseph A. The theory of economic development : an inquiry into profits, capital, credit, interest, and the business cycle / Joseph A. Schumpeter ; translated by Redvers Opie. - New York : Oxford university press, c 1974. - xii, 255 p. ; 20 cm. 331 331 Subjects--Topical Terms: Economic situation and conditions. Dewey Class. No.: 330.9 / S86t