TY  - GEN
ED  - International Civil Aviation Organization
TI  - Manual on air traffic services (ATS) ground-ground voice switching and signalling
SN  - 9291940062
PY  - 2002///
CY  - Quebec
PB  - International Civil Aviation Organization
KW  - AIR TRAFFIC SERVICES
KW  - SWITCHING
KW  - SIGNALLING
ER  -