TY  - BOOK
AU  - Leveson, L.F.
AU  - Case, Martin 
TI  - Sky talk : English for air communication
SN  - 859501620
U1  - 428.24 
PY  - 1984///
CY  - Cheltenham
PB  - Longman
KW  - Air traffic control
KW  - Languages
N1  - 001361; L 118
ER  -