Airship freight systems : Fourth German Airship Colloquium, Bonn, 10 and 11 October 1978
DGLR ; 78,212
1978
9 S.
zahlr. Ill.
Report
English
Engineering Index Backfile | 1910
NTRS | 1921
|Engineering Index Backfile | 1921
|The feasibility of the large freight airship
TIBKAT | 1971
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