TY  - BOOK
AU  - Mahalingam, Sundara
TI  - Air traffic control: past, present and future
SN  - 8174790217
U1  - 629.1366 23ed.
PY  - 1999///
CY  - New Delhi
PB  - Kaveri Books
KW  - Air traffic control
KW  - Radar air traffic control systems
KW  - Aeronautics--Human factors
ER  -