Guy, Lawrence D. Control Hinge-Moment and Effectiveness Characteristics of a 60 Degree Half-Delta Tip Control on a 60 Degree Delta Wing at Mach Numbers of 1.41 and 1.96, report, October 14, 1952; (https://digital.library.unt.edu/ark:/67531/metadc59409/m1/1/: accessed April 26, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .