TY  - BOOK
AU  - Memon, Aisar Ahmed.
AU  - Rajput, Abdul Qadeer khan.
TI  - The study of navigational aids used in air-traffic control system
PY  - 1987///
CY  - Muet Jamshoro
PB  - Computer system Engineering
KW  - Computer system Engineering
N1  - Including Reference
ER  -