An examination of the Google-DoubleClick merger and the online advertising industry : what are the risks for competition and privacy? : 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, September 27, 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.
"Serial no. J-110-25."
Includes bibliographical references.
Mode of access via the GPO Access web site. Address as of 1/16/08: http://frwebgate.access.gpo.gov/cgi-bin/getdoc.cgi?dbname=110_senate_hearings&docid=f:39015.pdf; current access is available via PURL.