1. The structure and stability of vortex rings
2. Orderly structure in jet turbulence
3. J. S. Turner inAnnual Reviews of Fluid Mechanics, edited by W. R. Sears and M. Van Dyke (Annual Reviews, Palo Alto, Calif., 1969), Vol. 1, p. 1.
4. Motion of Distorted Vortex Rings
5. J. J. Thomson,A Treatise on the Motion of Vortex Rings(Macmillan, London, 1883), p. 29.