The XM-Sirius merger : monopoly or competition from new technologies : hearing before the Subcommittee on Antitrust, Competition Policy and Consumer Rights of the Committee on the Judiciary, United States Senate, One Hundred Tenth Congress, first session, March 20, 2007.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2007.
Distributed to some depository libraries in microfiche.
Mode of access via the GPO Access web site. Address as of 12/11/07: http://frwebgate.access.gpo.gov/cgi-bin/getdoc.cgi?dbname=110_senate_hearings&docid=f:37565.pdf; current access is available via PURL.