Rapport pour la Conférence internationale administrative des radiocommunications, deuxiéme session
Subtitle: Report to the International Administrative Aeronautical Radio Conference, second session
Published: 1949
Place of publication: Washington
Language: fre; eng; spa
Notes: French, English, and Spanish.

Corrigendum leaf and "Explanation of abbreviations appearing on route segment map no. 3" (6 p.) in pocket.