Boulder, Colo. : U.S. Dept. of Commerce, National Institute of Standards and Technology ; Washington, D.C. : For sale by the Supt. of Docs., U.S. G.P.O., 2009.
2009
United States. Congress. House. Committee on Science and Technology (2007). Subcommittee on Technology and Innovation.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2008.
2008
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