DEPARTMENTS - Cornu's Helicopter -- First in Flight?
Vertiflite ; 47 , 4
2001
Aufsatz (Zeitschrift)
Englisch
Helicopter first-flight problems
Engineering Index Backfile | 1953
|Helicopter first-flight problems
Engineering Index Backfile | 1953
|DEPARTMENTS - How the First Helicopter War Began
Online Contents | 2000
The first flight in a helicopter
Engineering Index Backfile | 1921
Development of first helicopter operational flight trainer
Engineering Index Backfile | 1959
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