Tomorrow's world of integrated services digital network.
Contributors: United States. General Services Administration. National Capital Region. Telecommunications Division. Customer Services Branch.
Publisher: GSA, Capital Zone, Information Resources Management Service, Telecommunications Division, Customer Services Branch
Published: 1991
Place of publication: Washington, D.C. (7th and D Streets, SW, Washington 20407)
Language: eng
Subjects: Telecommunication -- United States.; Integrated services digital networks -- United States.
Notes: "A Service of the integrated Federal Telecommunications System."

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