By Sarigul-Klijn Marti M.   Kolar Ramesh   Wood E. Roberts   in Journal of the American Helicopter Society

ISSN:2161-6027|38|2|68-77

AHS International‎(1993)‎

Access to resources Favorite 2.3504238

By Wood E. Roberts   Powers Richard W.   Cline John H.   Hammond C. Eugene   in Journal of the American Helicopter Society

ISSN:2161-6027|30|1|3-20

AHS International‎(1985)‎

Access to resources Favorite 1.880339