Aerodynamic characteristics of several current helicopter tail boom cross sections including the effect of spoilers /
John C. Wilson and Henry L. Kelley.

APA Citation

Wilson, J. C., Kelley, H. L., United States. Army Aviation Research and Technology Activity. Aerostructures Directorate., Langley Research Center., United States. Army Aviation Systems Command., United States. National Aeronautics and Space Administration. (1986). Aerodynamic characteristics of several current helicopter tail boom cross sections including the effect of spoilers. [Washington, DC]: National Aeronautics and Space Administration.

MLA Citation

United States. National Aeronautics and Space Administration, et al.. Aerodynamic Characteristics of Several Current Helicopter Tail Boom Cross Sections Including the Effect of Spoilers. [Washington, DC]: National Aeronautics and Space Administration, 1986.

Warning: These citations may not always be complete (especially for serials).