1. Coherent features by the method of point vortices;Aref,1980
2. Basset, A. B., , , A Treatise on Hydrodynamics, , , 1 and 2, , pp. and pp., Dover, , Mineola, N.Y., , 1888, .
3. Batchelor, G. K., , An Introduction to Fluid Dynamics, Cambridge University Press, New York, 1967,
4. Gulf Stream warm rings: A statistical study of their behavior;Brown;Deep Sea Res., Part A,1986
5. Numerical simulation of hydrodynamics by the method of point vortices;Christiansen;J. Comput. Physics,1973