Aerodynamic study of helicopter, especially of support without speed, stability and propulsion.
Helicopters and aeroplane-helicopters
Helicopteres et avionshelicopteres
Aeronautique ; 3 , n 19-20
1921
5 pages
5 Figs.
Aufsatz (Zeitschrift)
Französisch
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Online Contents | 2007
Engineering Index Backfile | 1922
|Helicopters: Featuring current-production helicopters
Online Contents | 1995
Engineering Index Backfile | 1953