Signalling in telecommunications networks
By: [by] Samuel Welch.
Series: IEE telecommunications series ; 6; IEE telecommunications series ;; 6.
Publisher: Peregrinus [for] the Institution of Electrical Engineers
Published: 1979
Place of publication: Stevenage; New York [etc.]
Language: eng
Number of pages: 382
Subjects: Telephone -- Signaling.
Notes: Includes index.