An introduction to the technology of intra- and interexchange area telephone networks
By: M. Nesenbergs, P.M. McManamon
Contributors: McManamon, P. M; United States. National Telecommunications and Information Administration
Series: NTIA report -- 83-118
Publisher: U.S. Dept. of Commerce, National Telecommunications and Information Administration
Published: 1983
Place of publication: [Washington, DC]
Language: eng
Number of pages: 69
Subjects: Telephone systems; Technology -- United States
Notes: Distributed to depository libraries in microfiche

"March 1983."

Bibliography: p. 66-69