By Wiesner Wayne   Kohler Gary   in Journal of the American Helicopter Society

ISSN:2161-6027|19|3|2-9

AHS International‎(1974)‎

Access to resources Favorite 12.998661

By Kohler Gary R.   in INTER-NOISE and NOISE-CON Congress and Conference Proceedings

ISSN:0736-2935|1975|2|105-108

Institute of Noise Control Engineering‎(1975)‎

Access to resources Favorite 12.998661

By Benson R. Geoffrey   Dadone Leone U.   Gormont Ronald E.   Kohler Gary R.   in Journal of the American Helicopter Society

ISSN:2161-6027|18|1|36-46

AHS International‎(1973)‎

Access to resources Favorite 6.4993305