@book{27990,
	author = {Conference on Education and Income and Hansen, W. Lee and University of Wisconsin.},
	title = {Education, income, and human capital},
	publisher = {National Bureau of Economic Research; distributed by Columbia University Press},
	year = {1970.},
	series = {Studies in income and wealth by the Conference on Research in Income and Wealth, v. 35},
	address = {New York},
	note = {Jointly sponsored by Dept. of Economics, University of Wisconsin and the Conference on Research in Income and Wealth.}
}