"Motori per aeroplani." . . "Rolls-Royce." . . "Flymotorens udvikling." . . "Pratt & Whitney." . . "Aviones Motores Diseño y construcción Historia." . . "Airplanes Motors." . . "flyvemaskiner." . . "Jet and turbine aero engines" . . . . . . "The development of piston aero engines : from the Wrights to microlights; a century of evolution and still a power to be reckoned with" . . . . . . "Development of piston aero engines"@en . "Development of piston aero engines" . . . . . . . . "The development of piston aero engines : from the Wrights to microlights : a century of evolution and still a power to be reckoned with" . "The development of piston aero engines"@en . "The development of piston aero engines" . . . "Piston aero engines" . . . . . . . . . . . . . . . . . . . . "History" . "History"@en . . . . . . "The development of piston aero engines : from the Wrights to microlights : a century of evolution and still a power reckoned with" . "The development of piston aero engines : from the Wrights to microlights: a century of evolution and still a power to be reckoned with" . "The development of piston aero engines : from the Wrights to microlights: a century of evolution and still a power to be reckoned with"@en . . . . . . "The development of piston aero engines : from the Wrights to microlights ; a century of evolution and still a power to be reckoned with" . . . . . . . "The development of Piston Aero Engines : From the Wrights to microlights: a century of evolution and still a power to be reckoned with" . . "The development of piston aero engines from the wrights to microlights : a century of evolution and still a power to be reckoned with" . . "Ingegneria aeronautica." . . "Flugzeug." . . . . "Geschichte." . . "Motor." . . "Geschichte." . . "Flugmotor." . . "Stempelmotorer." . . "Pistons." . . "Avions Moteurs Conception et construction Histoire." . . "Flymotorer." . .