Small rigid airships as an alternative to non-rigid "Blimp" type airships
1983
13 S
Digital preservation by Technische Informationsbibliothek (TIB) / Leibniz-Informationszentrum Technik und Naturwissenschaften und Universitätsbibliothek
Book
Unknown
Engineering Index Backfile | 1921
|Engineering Index Backfile | 1921
|Engineering Index Backfile | 1920
|Engineering Index Backfile | 1930
|NTRS | 1923
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