@book{30690,
	author = {Carson, Carol S. and United States},
	title = {GNP},
	publisher = {U.S. Dept. of Commerce, Bureau of Economic Analysis},
	year = {1987.},
	series = {Methodology papers, U.S. national income and product accounts},
	address = {Washington, DC},
	note = {Shipping list no.: 87-631-P.}
}