1. Breder, C. M. 1926 Locomotion of fishes. Zoologica, 4, 159–297.
2. Chopra, M. G. 1974 Hydromechanics of lunate-tail swimming propulsion. J. Fluid Mech. 64, 375.
3. Karman, T. Von 1935 Neue Darstellung der Tragflügel Theorie. Z. Angew. Math. Mech. 15, 56.
4. Karman, T. Von and Burgers, J. M. 1934 General aerodynamic theory-perfect fluids. In Aerodynamic Theory Vol. II, Div. E, 304–310, W. F. Durand, ed., Springer, Berlin.
5. Karman, T. Von and Sears, W. R. 1938 Aerofoil theory for nonuniform motion. J. Aero. Sci. 5, 379.