Safeguards Against Flutter of Airplanes, report, August 1956; (https://digital.library.unt.edu/ark:/67531/metadc63938/m1/1/: accessed April 18, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .
Safeguards Against Flutter of Airplanes, report, August 1956; (https://digital.library.unt.edu/ark:/67531/metadc63938/m1/1/: accessed April 18, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .