DEPARTMENTS - Some Confusing Helicopter History
Vertiflite ; 47 , 4 ; 36-37
2001
Article (Journal)
English
Online Contents | 2008
British Library Online Contents | 2008
DEPARTMENTS - Vertical Heritage - The Helicopter Museum
Online Contents | 2000
DEPARTMENTS - Cornu's Helicopter -- First in Flight?
Online Contents | 2001
Engineering Index Backfile | 1952
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