The importation of Canadian beef that comes from animals older than 30 months of age [electronic resource] : field hearing before the Subcommittee on Interstate Commerce, Trade, and Tourism of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Tenth Congress, first session, February 21, 2007.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2007.