Telecommunication engineering of centres connected to main trunk circuit
Series: World Weather Watch planning report -- no.9
Publisher: Secretariat of the World Meteorological Organization
Published: 1966
Place of publication: Geneva
Language: eng; fre; rus; spa
Number of pages: 171
Subjects: Data transmission systems
Other titles: Main trunk circuit.
Notes: At head of title: Global telecommunication system.

Summaries in English, French, Russian, Spanish.

Bibliography: p. l03.