Tuovila, W. J. & McCarty, John Locke. Experimental Flutter Results for Cantilever-Wing Models at Mach Numbers Up to 3.0, report, June 14, 1955; (https://digital.library.unt.edu/ark:/67531/metadc61470/m1/1/: accessed April 28, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .