44th annual forum proceedings - American Helicopter Society : Washington, D.C., June 16 - 18, 1988
Annual forum. American Helicopter Society ; 44 ; 1988 ; Washington, DC Annual forum. American Helicopter Society ; 44 (Washington, DC) : 1988.06.16-18
1988
VII, 972 S
Ill., graph. Darst
Conference Proceedings
English