By Hoh Roger H.   Ashkenas Irving L.   in Journal of the American Helicopter Society

ISSN:2161-6027|26|1|19-28

AHS International‎(1981)‎

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By Baillie Stewart   Morgan J. Murray   Mitchell David   Hoh Roger   in Journal of the American Helicopter Society

ISSN:2161-6027|42|1|89-95

AHS International‎(1997)‎

Access to resources Favorite 8.713045

By Mitchell David G.   Hoh Roger H.   Atencio Adolph   in Journal of the American Helicopter Society

ISSN:2161-6027|33|3|51-59

AHS International‎(1988)‎

Access to resources Favorite 8.713045