Aerodynamics of the Helicopter
Gessow, Al Fred
Aerodynamics of the Helicopter - New York : Frederick Ungar, c1952 - 343 p.
0804442754
Aerodynamics
Helicopters
629.1323 / GES
Aerodynamics of the Helicopter - New York : Frederick Ungar, c1952 - 343 p.
0804442754
Aerodynamics
Helicopters
629.1323 / GES