27th Annual National V/STOL Forum proceedings, Washington, D.C., May 1971
Annual National V/STOL Forum of American Helicopter Society ; 27 ; 1971 ; Washington, DC Annual National V/STOL Forum of American Helicopter Society ; 27 (Washington, DC) : 1971.05.
1971
Getr. Zählung
Ill., graph. Darst
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Conference Proceedings
English
35th AHS annual forum proceedings, Washington, D.C., May 1979
TIBKAT | 1979
|36th AHS annual forum proceedings, Washington, D.C., May 1980
TIBKAT | 1980
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