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2 documents.
1.
Quality of service for the local operating companies aggregated to the holding company level
/ Kraushaar, Jonathan M; United States. Federal Communications Commission (FCC). Common Carrier Bureau.
Washington, DC : Common Carrier Bureau, Industry Analysis Division, Federal Communications Commission, 1993.
2.
Update on quality of service for the Bell operating companies
/ Kraushaar, Jonathan M; United States. Federal Communications Commission (FCC). Common Carrier Bureau.
Washington, DC : Industry Analysis Division, Common Carrier Bureau, Federal Communications Commission, 1991.
- Date de modification :