Ensuring the safety of our nation's motorcoach passengers [electronic resource] : hearing before the Subcommittee on Surface Transportation and Merchant Marine Infrastructure, Safety, and Security of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Twelfth Congress, first session, March 30, 2011.
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Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2012.
