Investigating the nature of matter, energy, space, and time : hearing before the Subcommittee on Energy and Environment, Committee on Science and Technology, House of Representatives, One Hundred Eleventh Congress, first session, October 1, 2009

Corporate Author:: United States. Congress. House. Committee on Science and Technology (2007-2011). Subcommittee on Energy and Environment
Published:: Washington : U.S. G.P.O., 2009.
Washington : For sale by the Supt of Docs., U.S. G.P.O.
Physical Description:: iv, 73 pages : illustrations ; 24 cm