TY  - BOOK
TI  - Avionics navigation systems / Myron Kayton and Walter R. Fried [editors].- 2nd.ed
SN  - 9780471547952
U1  - 629.1351 AVI 
CY  - New York : Wiley, c1997.
KW  - Avionics.  Aids to air navigation.
ER  -