@book{777,
	author = {Price, Daniel O. and Sikes, Melanie M.,},
	title = {Rural-urban migration research in the United States :},
	publisher = {U.S. Dept. of Health, Education, and Welfare, Public Health Service, National Institutes of Health, National Institute of Child Health and Human Development, Center for Population Research ;},
	year = {[1975]},
	series = {Center for Population Research monograph},
	address = {Bethesda, Md. :},
	note = {"Supported by the Center for Population Research, National Institute of Child Health and Human Development, under contract number NO1-HD2-2708 and by the Office of Economic Opportunity under contract number B 00-5209 with TRACOR, inc., Austin, Texas."}
}