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About the author
Editions
U.S. Dept. of Agriculture, Economic Research Service, [Supt. of Docs., U.S. G.P.O. [distributor]
1985
U.S. Dept. of Agriculture, Economic Research Service, [May be purchased from the Supt. of Docs., U.S. G.P.O.]
1985
U.S. Dept. of Agriculture, Economic Research Service, [Supt. of Docs., U.S. G.P.O. [distributor]
1985
U.S. Dept. of Agriculture, Economic Research Service, [Supt. of Docs., U.S. G.P.O. [distributor]