金田弘光
"Substitution of Labor and Non-Labor Inputs and Technical Change in Japanese Agriculture." Review of Economics and Statistics, 1965, 47(2): 163-171.
"The Sources and Rates of Productivity Gains in Japanese Agriculture, as Compared with the U.S. Experience." Journal of Farm Economics, 1967, 49(5): 1443-1451.
"Regional Patterns of Technical Change in U.S. Agriculture, 1950–1963." American Journal of Agricultural Economics, 1967, 49(1): 199-212.