The $350 billion question : how to solve the tax gap : hearing before the Committee on Finance, United States Senate, One Hundred Ninth Congress, first session, April 14, 2005.
Imprint
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2005.
Mode of access via the Senate Finance Committee web site. Address as of 8/21/06: http://finance.senate.gov/hearings/26535.pdf; current access available via PURL.