TY  - BOOK
ED  - International Civil Aviation  Organization.
TI  - Report of the meeting: Montreal 18 April -25 May 1959 
U1  - 629.13254 
PY  - 1959///
CY  - Montreal
PB  - ICAO
KW  - Navigation (Aeronautics)
KW  - Aeronautics
KW  - Communication systems
KW  - Information services
KW  - Aeronautical charts
N1  - Text in English, Spanish and French
ER  -