00493cam a22001451 4500 36918 36918 720510s1960 xx 000 0 eng Dernburg, Thomas Frederick. Macro-economics; the measurement, analysis, and control of aggregate economic activity [by] Thomas F. Dernburg [and] Duncan M. McDougall. New York, McGraw-Hill, 1960. 267p. illus. Income McDougall, Duncan M., BK HB601 .D45