TY  - BOOK
AU  -  
ED  - International Telecommunication Union 
TI  -  Reports of the CCIR, 1990 Annex to Volume 1:spectrum utilization and monitoring 
SN  -  9261041612
U1  - 621.396 I.T.U 
PY  - 1990///
PB  - International Telecommunication Union
KW  - International Telecommunication Union
KW  - Aeronautical mobile service
ER  -