@book{37121,
	author = {United States.},
	title = {Handbook on estimating area employment of self-employed, unpaid family, and private household workers--nonagricultural total},
	publisher = {U.S. Dept. of Labor, Bureau of Employment Security,},
	year = {1963.},
	address = {Washington,},
	edition = {Rev.},
	note = {At head of title: Employment security research methods.}
}