Section Thrust Coefficients for a Full-Scale, Three-Blade, Supersonic-Type Propeller Operating at Low and Negative Blade Angles, report, March 17, 1958; (https://digital.library.unt.edu/ark:/67531/metadc63708/m1/1/: accessed April 18, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .