Henry, John R. & Wilbur, Stafford W. Preliminary Investigation of the Flow in an Annular-Diffuser-Tailpipe Combination With an Abrupt Area Expansion and Suction, Injection, and Vortex-Generator Flow Controls, report, February 10, 1954; (https://digital.library.unt.edu/ark:/67531/metadc59931/m1/1/: accessed February 18, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .