By Carta Franklin O.   in Journal of the American Helicopter Society

ISSN:2161-6027|12|4|1-18

AHS International‎(1967)‎

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By Lorber Peter F.   Carta Franklin O.   Carlson Raymond G.   in Journal of the American Helicopter Society

ISSN:2161-6027|34|2|24-32

AHS International‎(1989)‎

Access to resources Favorite 10.859209