U.S. Dept. of Commerce, Economics and Statistics Administration, Bureau of Economic Analysis, Bureau of the Census : For sale by the Supt. of Docs., U.S. G.P.O.1997
U.S. Dept. of Commerce, Economics and Statistics Administration, Bureau of Economic Analysis, Bureau of the Census : For sale by the Supt. of Docs., U.S. G.P.O.[1994]
U.S. Dept. of Commerce, Economics and Statistics Administration, Bureau of Economic Analysis, Bureau of the Census : For sale by the Supt. of Docs., U.S. G.P.O.1993