Transmission systems for communications /
Transmission systems for communications /
members of the technical staff, Bell Telephone Laboratories.
- rev. 4th ed.
- [New York?] : Bell Telephone Laboratories, 1971.
- xxi, 921 p. : ill.
Includes bibliographical references and index.
Telephone.
Telephone systems--Design and construction.
Includes bibliographical references and index.
Telephone.
Telephone systems--Design and construction.