@book{14651,
	author = {United States and Littman, Mark S.},
	title = {Characteristics of the low-income population, 1970.},
	publisher = {For sale by the Supt. of Docs., U.S. Govt. Print. Off.]},
	year = {1971.},
	series = {Current population reports: consumer income. Series P-60},
	address = {Washington},
	note = {Cover title.}
}