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Wind-tunnel Investigation of Longitudinal Aerodynamic Characteristics of Three Propeller-driven VTOL Configurations in the Transition Speed Range, Including Effects of Ground Proximity

Richard E. KuhnWilliam C. Hayes

出版	National Aeronautics and Space Administration, 1960
URL	http://books.google.com.hk/books?id=pHxjDIz3ltQC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN