By Blaser Dwight A.   Velkoff Henry R.   in Journal of the American Helicopter Society

ISSN:2161-6027|13|2|88-92

AHS International‎(1968)‎

Access to resources Favorite 13.043001

By Blaser Dwight A.   Chung J.Y.   in INTER-NOISE and NOISE-CON Congress and Conference Proceedings

ISSN:0736-2935|1978|1|901-908

Institute of Noise Control Engineering‎(1978)‎

Access to resources Favorite 13.043001