Commercial human spaceflight : joint hearing before the Subcommittee on Space and Aeronautics, Committee on Science, House of Representatives and the Subcommittee on Science, Technology, and Space, Committee on Commerce, Science, and Transportation, U.S. Senate, One Hundred Eighth Congress, first session, July 24, 2003.
Imprint
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2004.