IN the life of a man ten years is a comparatively short period, but in aeronautics it is an epoch.
1929–1939
Progress Made During The Last Ten Years
Aircraft Engineering and Aerospace Technology ; 11 , 3 ; 79-80
1939-03-01
2 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
De magere jaren : Nederland in de crisistijd 1929-1939
TIBKAT | 1980
|GWLB - Gottfried Wilhelm Leibniz Bibliothek | 1982
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