1. The translog function and the substitution of equipment, structures, and labor in U.S. manufacturing 1929–1968;Berndt;Journal of Econometrics,1973
2. Industry series: Miscellaneous foods and kindred products;Bureau of the Census,1972-1975
3. Special Report Series: Concentration ratios in manufacturing;Bureau of the Census,1972-1975
4. Input-output structure of the U.S. economy: 1967;Bureau of Economic Analysis,1974
5. Conjugate duality and the transcendental logarithmic production function;Christensen;Econometrica,1971