1. 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 Author/Creator: United States. Congress. Senate. Committee on the Judiciary. Subcommittee on Antitrust, Competition Policy, and Consumer Rights Publication/Creation: Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2007 Resource Type: Book Access & Availability: Loading