TY  - BOOK
AU  - Underdown R B
AU  - " Cockburn,David"
TI  - Radio Aids : Ground Studies for Pilots
SN  - 978-4051-4705-7
PY  - 2009///
PB  - "Wiley Blackwell,L"
KW  - Radio
KW  - Aeronautical Engineering
N1  - YES
ER  -