37th annual forum proceedings - American Helicopter Society : New Orleans, Louisiana, May 17 - 20, 1981
Annual forum. American Helicopter Society ; 37 ; 1981 ; New Orleans, La. Annual forum. American Helicopter Society ; 37 (New Orleans, La.) : 1981.05.17-20
1981
II, 556 S
Ill., graph. Darst
Conference Proceedings
English