Telecommunications networks and signaling system 7
By: Stephen J. Downs and Stephen Gould
Contributors: Gould, Stephen B; Library of Congress. Congressional Research Service
Series: Major studies and issue briefs of the Congressional Research Service -- 1992, reel 6, fr. 00463
Publisher: Congressional Research Service, Library of Congress
Published: 1992
Place of publication: [Washington, D.C.]
Language: eng
Format: Microform
Subjects: Telephone systems; Telecommunication systems -- United States; Telecommunication -- United States -- Switching systems
Notes: Cover title

At head of title: CRS report for Congress

"March 9, 1992."

"92-266 SPR."

Includes bibliographical references

Microfilm. Arlington, Va. : University Publications of America, 1993. on 1 microfilm reel ; 35 mm. Low reduction. (Major studies and issue briefs of the Congressional Research Service.  1992 supplement ; reel 6, fr. 00463)