@book{30043,
	author = {Naciones Unidas. Departamento de Asuntos Económicos y Sociales.},
	title = {Handbook of household surveys, a practical guide for inquiries on levels of living},
	publisher = {Nacioes Unidas,},
	year = {1964},
	series = {Studies in methods. Series F},
	address = {New York :}
}