Dernburg, Thomas Frederick. Macroeconomics : the measurement, analysis, and control of aggregate economic activity / Thomas F. Dernburg and Duncan M. McDougall. - 3rd ed. - New York : McGraw-Hill, c1968. - x, 438 p. : ill. ; 23 cm. Bibliographical footnotes. LCCN: 63012117 Subjects--Topical Terms: Income Dewey Class. No.: 339.2 / DEM