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2. C.F. Joy: “Power controls for aircraft”. J. of the Royal Aero. Soc., Jan. 1952, pp. 7–24.
3. C.S. Draper: “Flight control”. J. of the Royal Aero. Soc., Vol. 59, July 1955, pp. 451–477.
4. A.W. Babister: “Aircraft stability and control”. International Series of Monographs in Aeronautics and Astronautics, Pergamon Press, 1961.
5. H. Gerlach: “Vliegeigenschappen I”. Lecture notes VT[H-D10, Delft University of Technology, Dept. of Aeron. Eng., Dec. 1967 (in Dutch).