TY  - BOOK
ED  - Indian Institute of Aeronautics and Aviation Electronics
TI  - Theroy of flight of helicopters
U1  - 629.132 
PY  - 1958///
CY  - Delhi
PB  - Cambridge Printing Works
KW  - Flight
KW  - Aerodynamics
KW  - Airplanes
KW  - Navigation (Aeronautics)
KW  - Motors
KW  - Helicopters
ER  -