Mottard, Elmo J. & Loposer, J. Dan. Average skin-friction drag coefficients from tank tests of a parabolic body of revolution (NACA RM-10), report, 1954; (https://digital.library.unt.edu/ark:/67531/metadc60535/m1/1/: accessed October 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .