@article {683,
	title = {Investment in Humans, Technological Diffusion, and Economic Growth},
	journal = {The American Economic Review},
	volume = {56},
	number = {1/2},
	year = {1966},
	pages = {69-75},
	publisher = {American Economic Association},
	isbn = {00028282},
	doi = {10.2307/1821269},
	author = {Nelson, Richard R. and Phelps, Edmund S.}
}
