1. Norton, B.: STOL Progenitors—The Technology Path to a Large STOL Transport and the C-17A. American Institute of Aeronautics and Astronautics, Reston, VA, USA (2002)
2. Campbell, J.P.: Status of V/STOL research and development in the United States. AIAA J. Aircr. 1(3), 97–106 (1964). AIAA No. 63-482
3. Griffin, R.N., Holzhauser, C.A., Weiberg, J.A.: Large-scale wind-tunnel tests of an airplane model with an unswept, aspect-ratio-10 wing, two propellers, and blowing flaps. Memorandum 12-3-58A, NACA (1958)
4. Weiberg, J.A., Page, V.R.: Large-scale wind-tunnel tests of an airplane model with an unswept, aspect-ratio-10 wing, four propellers, and blowing flaps. Technical Note D-25, NASA (1959)
5. Weiberg, J.A., Holzhauser, C.A.: Stol characteristics of a propeller-driven, aspectratio-10, straight-wing airplane with boundarylayer control flaps, as estimated from largescale wind-tunnel tests. Technical Note D-1032, NASA (1961)