The Dupont Aerospace DP-2 aircraft : hearing before the Subcommittee on Investigations and Oversight of the Committee on Science and Technology, House of Representatives, One Hundred Tenth Congress, first session, June 12, 2007.
Imprint
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2008.
