TY  - BOOK
AU  - Helfrick, Albert D
TI  - Modern aviation electronics
SN  - 8131717178
CY  - New Delhi
KW  - Aviation electronics
KW  - Flight control systems
KW  - Landing systems
KW  - Navigation systems
KW  - Surveillance systems
KW  - VHF Communication systems
N1  - Includes glossary and index
ER  -