@book{43057,
	author = {Greenwood, Michael J.},
	title = {Migration and Economic Growth in the United States},
	publisher = {ELSEVIER,},
	year = {1981},
	note = {<strong>Off-Campus Access:</strong> Athens ID and Password Required},
	url = {https://www.sciencedirect.com/science/book/9780123006509}
}