Experimental Performance and Acoustic Investigation of Modern, Counterrotating Blade Concepts
Final ReportMicroform - 1990
Publisher: [Washington, DC] : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1990]
Characteristics: 1 v
No similar edition of this title was found at NSLibrary.
this is available, but you have to get it at the library