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Energy efficient building retrofits : hearing before the Committee on Energy and Natural Resources,

United States. Congress. Senate. Committee on Energy and Natural Resources.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2010. 2010

Green buildings offer multiple benefits : cost savings, clean environment, and jobs : hearing before

United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Economic Development, Public Buildings, and Emergency Management.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2009. 2009