By Hanker Edward J.   Smith Robert P.   in Journal of the American Helicopter Society

ISSN:2161-6027|30|1|52-61

AHS International‎(1985)‎

Access to resources Favorite 12.814741

By Shaw John   Albion Nicholas   Hanker Edward J.   Teal Richard S.   in Journal of the American Helicopter Society

ISSN:2161-6027|34|1|14-25

AHS International‎(1989)‎

Access to resources Favorite 10.481047