http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Telecommunications Networks and Signaling System 7
Describes the network switching system implicated in major telephone outages in 1990 and 1991, and discusses related issues and concerns in Congress.
Record is based on bibliographic data in ProQuest U.S. Congressional Research Digital Collection (last viewed July 2010). Reuse except for individual research requires license from ProQuest, LLC.
Library of Congress. Congressional Research Service.