Economic and technical aspects of the choice of transmission systems.
Contributors: International Telecommunication Union.; International Telegraph and Telephone Consultative Committee.; International Radio Consultative Committee.
Publisher: International Telecommunication Union
Published: 1969
Place of publication: [Geneva]
Language: eng
Subjects: Telecommunication systems.
Notes: Includes bibliographical references.
At head of title: The International Telegraph and Telephone Consultative Committee. International Radio Consultative Committee.