Prouty, Raymond W.
Helicopter aerodynamics / by R.W. Prouty. - Mumbai : Sterling Book House, 2004. - 174 p. : ill. ; 28 cm.
9788175980433
Helicopters --Aerodynamics.
Helicopter aerodynamics / by R.W. Prouty. - Mumbai : Sterling Book House, 2004. - 174 p. : ill. ; 28 cm.
9788175980433
Helicopters --Aerodynamics.