By Bartlett Felton D.   Flannelly William G.   in Journal of the American Helicopter Society

ISSN:2161-6027|19|1|11-15

AHS International‎(1974)‎

Access to resources Favorite 12.189032

By Jetmundsen Bjorn   Bielawa Richard L.   Flannelly William G.   in Journal of the American Helicopter Society

ISSN:2161-6027|33|1|55-64

AHS International‎(1988)‎

Access to resources Favorite 11.096098

By Gunsallus Clifford T.   Nagy Edward   Stennett Patrick G.   Flannelly William G.   in Journal of the American Helicopter Society

ISSN:2161-6027|35|2|35-41

AHS International‎(1990)‎

Access to resources Favorite 8.876879