@book{70506,
	author = {Taubman, Paul and Wales, Terence and Carnegie Commission on Higher Education.},
	title = {Mental ability and higher educational attainment in the 20th century},
	publisher = {National Bureau of Economic Research},
	year = {1972]},
	address = {[New York},
	note = {"A technical report prepared for the Carnegie Commission on Higher Education."}
}