By McKillip Robert M.   in Journal of the American Helicopter Society

ISSN:2161-6027|36|3|4-12

AHS International‎(1991)‎

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By McKillip Robert M.   Perri Todd A.   in Journal of the American Helicopter Society

ISSN:2161-6027|37|1|66-74

AHS International‎(1992)‎

Access to resources Favorite 18.826351