Downwash survey behind two low-aspect-ratio variable-incidence wings in combination with three different size fuselages at a Mach number of 0.25, report, March 30, 1955; (https://digital.library.unt.edu/ark:/67531/metadc61177/m1/1/: accessed April 23, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .