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1Published 1982Washington, D.C. : Congress of the U.S., Office of Technology Assessment : For sale by the Supt. of Docs., U.S. G.P.O., [1982]viii, 141 p. : ill., 1 map ; 28 cm.U.S. Federal Government Document Print Book2Published 1982Washington, D.C. : Congress of the U.S., Office of Technology Assessment : [1982]For sale by the Supt. of Docs., U.S. G.P.O.,viii, 141 pages : illustrations, 1 map ; 28 cmE-Resource U.S. Federal Government Document Book3Published 1982Washington, D.C. : Congress of the U.S., Office of Technology Assessment, [1982]viii, 141 p. : ill., digital, PDF file.E-Resource U.S. Federal Government Document Book