1. Brown, M. 1966. On the theory and measurement of technological change. Cambridge: Cambridge University Press.
2. Brown, M., and J. De Cani. 1963. Technological change and the distribution of income. International Economic Review 4: 289–309.
3. Christensen, L.R., D.W. Jorgenson, and L.J. Lau. 1973. Transcendental logarithmic production frontiers. Review of Economics and Statistics 55: 28–45.
4. Douglas, P.H. 1948. Are there laws of production? American Economic Review 38: 1–41.
5. Douglas, P.H. 1967. Comments on the Cobb–Douglas production function. In The theory and empirical analysis of production, edited by. M. Brown, National Bureau of Economic Research, Studies in Income and Wealth No. 31. New York: Columbia University Press.