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by Library of Congress. Legislative Reference Service
Book xi, 399 p. Washington : U.S. Govt. Print. Off., 1962

Available in the Research Room

Book x, 113 p. Washington, D.C. : Congress of the U.S., Office of Technology Assessment : For sale by the Supt. of Docs., U.S. G.P.O., [1985]

Available in the Research Room